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57318472629 = 32111673466913
BaseRepresentation
bin110101011000011100…
…100111101110110101
312110221121211002201200
4311120130213232311
51414342012111004
642155353443113
74066255656435
oct653034475665
9173847732650
1057318472629
1122343868940
12b137a10499
1355360408c2
142aba6ac2c5
15175711b239
hexd58727bb5

57318472629 has 24 divisors (see below), whose sum is σ = 90860882112. Its totient is φ = 34530443520.

The previous prime is 57318472591. The next prime is 57318472639. The reversal of 57318472629 is 92627481375.

It is a happy number.

57318472629 is a `hidden beast` number, since 5 + 7 + 3 + 1 + 8 + 4 + 7 + 2 + 629 = 666.

It is not a de Polignac number, because 57318472629 - 28 = 57318472373 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57318472639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1716924 + ... + 1749989.

It is an arithmetic number, because the mean of its divisors is an integer number (3785870088).

Almost surely, 257318472629 is an apocalyptic number.

It is an amenable number.

57318472629 is a deficient number, since it is larger than the sum of its proper divisors (33542409483).

57318472629 is a wasteful number, since it uses less digits than its factorization.

57318472629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3467097 (or 3467094 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 57318472629 in words is "fifty-seven billion, three hundred eighteen million, four hundred seventy-two thousand, six hundred twenty-nine".

Divisors: 1 3 9 11 33 99 167 501 1503 1837 5511 16533 3466913 10400739 31202217 38136043 114408129 343224387 578974471 1736923413 5210770239 6368719181 19106157543 57318472629