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57688373453 = 2913148731181
BaseRepresentation
bin110101101110011111…
…101011100011001101
312111220101212000021012
4311232133223203031
51421121210422303
642300210015005
74111400040464
oct655637534315
9174811760235
1057688373453
11225136458a7
12b21b877465
135594874029
142b138799db
1517798365d8
hexd6e7eb8cd

57688373453 has 16 divisors (see below), whose sum is σ = 60258591360. Its totient is φ = 55158667200.

The previous prime is 57688373423. The next prime is 57688373471. The reversal of 57688373453 is 35437388675.

It is a cyclic number.

It is not a de Polignac number, because 57688373453 - 26 = 57688373389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57688373392 and 57688373401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57688373423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1834523 + ... + 1865703.

It is an arithmetic number, because the mean of its divisors is an integer number (3766161960).

Almost surely, 257688373453 is an apocalyptic number.

It is an amenable number.

57688373453 is a deficient number, since it is larger than the sum of its proper divisors (2570217907).

57688373453 is a wasteful number, since it uses less digits than its factorization.

57688373453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31828.

The product of its digits is 50803200, while the sum is 59.

The spelling of 57688373453 in words is "fifty-seven billion, six hundred eighty-eight million, three hundred seventy-three thousand, four hundred fifty-three".

Divisors: 1 29 131 487 3799 14123 31181 63797 904249 1850113 4084711 15185147 118456619 440369263 1989254257 57688373453