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55001060140 = 225134731319
BaseRepresentation
bin110011001110010100…
…011001001100101100
312020222010012100102111
4303032110121030230
51400120232411030
641133411333404
73654656204005
oct631624311454
9166863170374
1055001060140
1121364734604
12a7ab8b1264
135256bb0000
14293a9ca1ac
15166d95a62a
hexcce51932c

55001060140 has 120 divisors (see below), whose sum is σ = 126937308960. Its totient is φ = 20014705152.

The previous prime is 55001060137. The next prime is 55001060159. The reversal of 55001060140 is 4106010055.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 41698401 + ... + 41699719.

It is an arithmetic number, because the mean of its divisors is an integer number (1057810908).

Almost surely, 255001060140 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 55001060140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63468654480).

55001060140 is an abundant number, since it is smaller than the sum of its proper divisors (71936248820).

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

55001060140 is a wasteful number, since it uses less digits than its factorization.

55001060140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 55001060140 its reverse (4106010055), we get a palindrome (59107070195).

The spelling of 55001060140 in words is "fifty-five billion, one million, sixty thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 73 130 146 169 260 292 338 365 676 730 845 949 1319 1460 1690 1898 2197 2638 3380 3796 4394 4745 5276 6595 8788 9490 10985 12337 13190 17147 18980 21970 24674 26380 28561 34294 43940 49348 57122 61685 68588 85735 96287 114244 123370 142805 160381 171470 192574 222911 246740 285610 320762 342940 385148 445822 481435 571220 641524 801905 891644 962870 1114555 1251731 1603810 1925740 2084953 2229110 2503462 2897843 3207620 4169906 4458220 5006924 5795686 6258655 8339812 10424765 11591372 12517310 14489215 16272503 20849530 25034620 28978430 32545006 37671959 41699060 57956860 65090012 75343918 81362515 150687836 162725030 188359795 211542539 325450060 376719590 423085078 753439180 846170156 1057712695 2115425390 2750053007 4230850780 5500106014 11000212028 13750265035 27500530070 55001060140