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57804432406 = 273619071523
BaseRepresentation
bin110101110101011010…
…011010010000010110
312112012111020102012221
4311311122122100112
51421340413314111
642315513332554
74114306366000
oct656532322026
9175174212187
1057804432406
1122573105696
12b25270715a
1355b291b176
142b2504b370
151784b0e371
hexd7569a416

57804432406 has 64 divisors (see below), whose sum is σ = 102954124800. Its totient is φ = 24324360480.

The previous prime is 57804432377. The next prime is 57804432443. The reversal of 57804432406 is 60423440875.

57804432406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37953561 + ... + 37955083.

It is an arithmetic number, because the mean of its divisors is an integer number (1608658200).

Almost surely, 257804432406 is an apocalyptic number.

57804432406 is a deficient number, since it is larger than the sum of its proper divisors (45149692394).

57804432406 is a wasteful number, since it uses less digits than its factorization.

57804432406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514 (or 2500 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 57804432406 in words is "fifty-seven billion, eight hundred four million, four hundred thirty-two thousand, four hundred six".

Divisors: 1 2 7 14 49 61 98 122 343 427 686 854 907 1523 1814 2989 3046 5978 6349 10661 12698 20923 21322 41846 44443 55327 74627 88886 92903 110654 149254 185806 311101 387289 522389 622202 650321 774578 1044778 1300642 1381361 2711023 2762722 4552247 5422046 9104494 9669527 18977161 19339054 31865729 37954322 63731458 67686689 84263021 135373378 168526042 473806823 589841147 947613646 1179682294 4128888029 8257776058 28902216203 57804432406