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57152253447 = 3214411440653
BaseRepresentation
bin110101001110100010…
…100010111000000111
312110112001001021212200
4311032202202320013
51414021434102242
642131055045543
74062200065422
oct651642427007
9173461037780
1057152253447
1122268a58a13
12b0b02108b3
13550a783463
142aa25a09b9
15174773604c
hexd4e8a2e07

57152253447 has 12 divisors (see below), whose sum is σ = 82559170824. Its totient is φ = 38098771920.

The previous prime is 57152253401. The next prime is 57152253451. The reversal of 57152253447 is 74435225175.

57152253447 is a `hidden beast` number, since 5 + 7 + 152 + 2 + 53 + 447 = 666.

It is not a de Polignac number, because 57152253447 - 220 = 57151204871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57152253497) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 90628 + ... + 350025.

It is an arithmetic number, because the mean of its divisors is an integer number (6879930902).

Almost surely, 257152253447 is an apocalyptic number.

57152253447 is a deficient number, since it is larger than the sum of its proper divisors (25406917377).

57152253447 is a wasteful number, since it uses less digits than its factorization.

57152253447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455070 (or 455067 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 45.

The spelling of 57152253447 in words is "fifty-seven billion, one hundred fifty-two million, two hundred fifty-three thousand, four hundred forty-seven".

Divisors: 1 3 9 14411 43233 129699 440653 1321959 3965877 6350250383 19050751149 57152253447