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57301309994640 = 2435892851940949
BaseRepresentation
bin11010000011101100000000…
…01110100011011010010000
321111212221200211000220002020
431001312000032203122100
530002311040324312030
6321511505225451440
715032611610402235
oct1501660016433220
9244787624026066
1057301309994640
1117292392717028
126515464940b80
1325c864b3a445a
14102158094578c
15695812a34510
hex341d803a3690

57301309994640 has 160 divisors (see below), whose sum is σ = 179693146224000. Its totient is φ = 15103344537600.

The previous prime is 57301309994609. The next prime is 57301309994647. The reversal of 57301309994640 is 4649990310375.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (57301309994647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60426886 + ... + 61367834.

It is an arithmetic number, because the mean of its divisors is an integer number (1123082163900).

Almost surely, 257301309994640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57301309994640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89846573112000).

57301309994640 is an abundant number, since it is smaller than the sum of its proper divisors (122391836229360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57301309994640 is a wasteful number, since it uses less digits than its factorization.

57301309994640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943905 (or 943899 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 60.

The spelling of 57301309994640 in words is "fifty-seven trillion, three hundred one billion, three hundred nine million, nine hundred ninety-four thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 89 120 178 240 267 356 445 534 712 890 1068 1335 1424 1780 2136 2670 2851 3560 4272 5340 5702 7120 8553 10680 11404 14255 17106 21360 22808 28510 34212 42765 45616 57020 68424 85530 114040 136848 171060 228080 253739 342120 507478 684240 761217 940949 1014956 1268695 1522434 1881898 2029912 2537390 2822847 3044868 3763796 3806085 4059824 4704745 5074780 5645694 6089736 7527592 7612170 9409490 10149560 11291388 12179472 14114235 15055184 15224340 18818980 20299120 22582776 28228470 30448680 37637960 45165552 56456940 60897360 75275920 83744461 112913880 167488922 225827760 251233383 334977844 418722305 502466766 669955688 837444610 1004933532 1256166915 1339911376 1674889220 2009867064 2512333830 2682645599 3349778440 4019734128 5024667660 5365291198 6699556880 8047936797 10049335320 10730582396 13413227995 16095873594 20098670640 21461164792 26826455990 32191747188 40239683985 42922329584 53652911980 64383494376 80479367970 107305823960 128766988752 160958735940 214611647920 238755458311 321917471880 477510916622 643834943760 716266374933 955021833244 1193777291555 1432532749866 1910043666488 2387554583110 2865065499732 3581331874665 3820087332976 4775109166220 5730130999464 7162663749330 9550218332440 11460261998928 14325327498660 19100436664880 28650654997320 57301309994640