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57363631621 = 227990125523
BaseRepresentation
bin110101011011001000…
…111000111000000101
312111001202210102012221
4311123020320320011
51414440042202441
642204045412341
74100344552342
oct653310707005
9174052712187
1057363631621
112236730251a
12b14ab6a0b1
1355424c26ba
142ac26a57c9
15175b08b8d1
hexd5b238e05

57363631621 has 8 divisors (see below), whose sum is σ = 57624411744. Its totient is φ = 57102922800.

The previous prime is 57363631571. The next prime is 57363631631. The reversal of 57363631621 is 12613636375.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57363631621 - 217 = 57363500549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57363631631) 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 7 ways as a sum of consecutive naturals, for example, 2234766 + ... + 2260288.

It is an arithmetic number, because the mean of its divisors is an integer number (7203051468).

Almost surely, 257363631621 is an apocalyptic number.

It is an amenable number.

57363631621 is a deficient number, since it is larger than the sum of its proper divisors (260780123).

57363631621 is a wasteful number, since it uses less digits than its factorization.

57363631621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35651.

The product of its digits is 408240, while the sum is 43.

The spelling of 57363631621 in words is "fifty-seven billion, three hundred sixty-three million, six hundred thirty-one thousand, six hundred twenty-one".

Divisors: 1 227 9901 25523 2247527 5793721 252703223 57363631621