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57061875760 = 2452329371439
BaseRepresentation
bin110101001001001001…
…110010000000110000
312110021201222121222221
4311021021302000300
51413330320011020
642114110010424
74060021640551
oct651111620060
9173251877887
1057061875760
1122221a3990a
12b085aa6a14
1354c4b2b636
142a94596328
15173e8326aa
hexd49272030

57061875760 has 120 divisors (see below), whose sum is σ = 138932357760. Its totient is φ = 21793913856.

The previous prime is 57061875743. The next prime is 57061875769. The reversal of 57061875760 is 6757816075.

It is a junction number, because it is equal to n+sod(n) for n = 57061875698 and 57061875707.

It is not an unprimeable number, because it can be changed into a prime (57061875769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39653121 + ... + 39654559.

It is an arithmetic number, because the mean of its divisors is an integer number (1157769648).

Almost surely, 257061875760 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 57061875760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69466178880).

57061875760 is an abundant number, since it is smaller than the sum of its proper divisors (81870482000).

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

57061875760 is a wasteful number, since it uses less digits than its factorization.

57061875760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435 (or 2406 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 52.

The spelling of 57061875760 in words is "fifty-seven billion, sixty-one million, eight hundred seventy-five thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 23 40 46 80 92 115 184 230 368 460 529 920 937 1058 1439 1840 1874 2116 2645 2878 3748 4232 4685 5290 5756 7195 7496 8464 9370 10580 11512 14390 14992 18740 21160 21551 23024 28780 33097 37480 42320 43102 57560 66194 74960 86204 107755 115120 132388 165485 172408 215510 264776 330970 344816 431020 495673 529552 661940 761231 862040 991346 1323880 1348343 1522462 1724080 1982692 2478365 2647760 2696686 3044924 3806155 3965384 4956730 5393372 6089848 6741715 7612310 7930768 9913460 10786744 12179696 13483430 15224620 19826920 21573488 26966860 30449240 31011889 39653840 53933720 60898480 62023778 107867440 124047556 155059445 248095112 310118890 496190224 620237780 713273447 1240475560 1426546894 2480951120 2853093788 3566367235 5706187576 7132734470 11412375152 14265468940 28530937880 57061875760