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57969870463 = 88811652733
BaseRepresentation
bin110101111111010001…
…100000011001111111
312112122000112112120101
4311333101200121333
51422210241323323
642344143301531
74121355524461
oct657721403177
9175560475511
1057969870463
112264853175a
12b299baa8a7
13560ac93bcb
142b3cdd4131
1517943dcdad
hexd7f46067f

57969870463 has 4 divisors (see below), whose sum is σ = 57970612008. Its totient is φ = 57969128920.

The previous prime is 57969870457. The next prime is 57969870467. The reversal of 57969870463 is 36407896975.

It is a happy number.

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 57969870463 - 217 = 57969739391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57969870395 and 57969870404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57969870467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237556 + ... + 415177.

It is an arithmetic number, because the mean of its divisors is an integer number (14492653002).

Almost surely, 257969870463 is an apocalyptic number.

57969870463 is a deficient number, since it is larger than the sum of its proper divisors (741545).

57969870463 is an equidigital number, since it uses as much as digits as its factorization.

57969870463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741544.

The product of its (nonzero) digits is 68584320, while the sum is 64.

The spelling of 57969870463 in words is "fifty-seven billion, nine hundred sixty-nine million, eight hundred seventy thousand, four hundred sixty-three".

Divisors: 1 88811 652733 57969870463