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57240407363 = 127450711869
BaseRepresentation
bin110101010011110010…
…110100110101000011
312110202011220222022112
4311103302310311003
51414212021013423
642143524325535
74064320302056
oct652362646503
9173664828275
1057240407363
1122303799297
12b1158438ab
135522b0a039
142ab018aa9d
15175034aa78
hexd53cb4d43

57240407363 has 4 divisors (see below), whose sum is σ = 57691119360. Its totient is φ = 56789695368.

The previous prime is 57240407359. The next prime is 57240407563. The reversal of 57240407363 is 36370404275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57240407363 - 22 = 57240407359 is a prime.

It is a super-2 number, since 2×572404073632 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57240407363.

It is not an unprimeable number, because it can be changed into a prime (57240407563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225355808 + ... + 225356061.

It is an arithmetic number, because the mean of its divisors is an integer number (14422779840).

Almost surely, 257240407363 is an apocalyptic number.

57240407363 is a deficient number, since it is larger than the sum of its proper divisors (450711997).

57240407363 is a wasteful number, since it uses less digits than its factorization.

57240407363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450711996.

The product of its (nonzero) digits is 423360, while the sum is 41.

The spelling of 57240407363 in words is "fifty-seven billion, two hundred forty million, four hundred seven thousand, three hundred sixty-three".

Divisors: 1 127 450711869 57240407363