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57428745374 = 271113194335111
BaseRepresentation
bin110101011111000001…
…010001110010011110
312111020022022112111102
4311133001101302132
51420103224322444
642214333153102
74102065165350
oct653701216236
9174208275442
1057428745374
11223a0036440
12b16892b792
135552b40150
142acb1b50d0
151761b4e84e
hexd5f051c9e

57428745374 has 128 divisors (see below), whose sum is σ = 124582993920. Its totient is φ = 19111075200.

The previous prime is 57428745373. The next prime is 57428745377. The reversal of 57428745374 is 47354782475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57428745373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1618079 + ... + 1653189.

It is an arithmetic number, because the mean of its divisors is an integer number (973304640).

Almost surely, 257428745374 is an apocalyptic number.

57428745374 is an abundant number, since it is smaller than the sum of its proper divisors (67154248546).

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

57428745374 is a wasteful number, since it uses less digits than its factorization.

57428745374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35206.

The product of its digits is 26342400, while the sum is 56.

The spelling of 57428745374 in words is "fifty-seven billion, four hundred twenty-eight million, seven hundred forty-five thousand, three hundred seventy-four".

Divisors: 1 2 7 11 13 14 19 22 26 38 43 77 86 91 133 143 154 182 209 247 266 286 301 418 473 494 559 602 817 946 1001 1118 1463 1634 1729 2002 2717 2926 3311 3458 3913 5434 5719 6149 6622 7826 8987 10621 11438 12298 17974 19019 21242 35111 38038 43043 62909 70222 74347 86086 116831 125818 148694 233662 245777 386221 456443 491554 667109 772442 817817 912886 1334218 1509773 1635634 2703547 3019546 3195101 4669763 5020873 5407094 6390202 7338199 8672417 9339526 10041746 10568411 14676398 16607503 17344834 19627049 21136822 28685687 33215006 35146111 39254098 51367393 57371374 60706919 70292222 95396587 102734786 116252521 121413838 137389343 190793174 200799809 215897539 232505042 274778686 315542557 372913931 401599618 431795078 631085114 667776109 745827862 1335552218 1511282773 2208797899 2610397517 3022565546 4102053241 4417595798 5220795034 8204106482 28714372687 57428745374