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57415853906 = 2894915471201
BaseRepresentation
bin110101011110010000…
…000110011101010010
312111012102001120201122
4311132100012131102
51420041424311111
642213153002242
74101550464035
oct653620063522
9174172046648
1057415853906
1122393830934
12b164553382
135550278468
142ac95bb01c
151760954cdb
hexd5e406752

57415853906 has 32 divisors (see below), whose sum is σ = 87501176640. Its totient is φ = 28252224000.

The previous prime is 57415853863. The next prime is 57415853923. The reversal of 57415853906 is 60935851475.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 47806106 + ... + 47807306.

It is an arithmetic number, because the mean of its divisors is an integer number (2734411770).

Almost surely, 257415853906 is an apocalyptic number.

57415853906 is a deficient number, since it is larger than the sum of its proper divisors (30085322734).

57415853906 is a wasteful number, since it uses less digits than its factorization.

57415853906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 57415853906 in words is "fifty-seven billion, four hundred fifteen million, eight hundred fifty-three thousand, nine hundred six".

Divisors: 1 2 89 178 491 547 982 1094 1201 2402 43699 48683 87398 97366 106889 213778 268577 537154 589691 656947 1179382 1313894 23903353 47806706 52482499 58468283 104964998 116936566 322560977 645121954 28707926953 57415853906