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57697937663 = 367157215089
BaseRepresentation
bin110101101111000100…
…001010100011111111
312111221001211220220012
4311233010022203333
51421131133001123
642301151013435
74111544243462
oct655704124377
9174831756805
1057697937663
1122518a88603
12b222b0a27b
135596842422
142b14c492d9
15177a5c5378
hexd6f10a8ff

57697937663 has 4 divisors (see below), whose sum is σ = 57855153120. Its totient is φ = 57540722208.

The previous prime is 57697937657. The next prime is 57697937753. The reversal of 57697937663 is 36673979675.

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 57697937663 - 26 = 57697937599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57697937593 and 57697937602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57697937263) 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, 78607178 + ... + 78607911.

It is an arithmetic number, because the mean of its divisors is an integer number (14463788280).

Almost surely, 257697937663 is an apocalyptic number.

57697937663 is a deficient number, since it is larger than the sum of its proper divisors (157215457).

57697937663 is a wasteful number, since it uses less digits than its factorization.

57697937663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157215456.

The product of its digits is 270050760, while the sum is 68.

The spelling of 57697937663 in words is "fifty-seven billion, six hundred ninety-seven million, nine hundred thirty-seven thousand, six hundred sixty-three".

Divisors: 1 367 157215089 57697937663