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316045555861 = 7311456431133
BaseRepresentation
bin1001001100101011100…
…10000111100010010101
31010012202202110201102211
410212111302013202111
520134230130241421
6401104521033421
731555621620520
oct4462562074225
91105682421384
10316045555861
11112041527972
1251303025871
1323a59175469
1411422171bb7
15834b1a29e1
hex4995c87895

316045555861 has 8 divisors (see below), whose sum is σ = 372846370304. Its totient is φ = 262157603760.

The previous prime is 316045555849. The next prime is 316045555873. The reversal of 316045555861 is 168555540613.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (316045555849) and next prime (316045555873).

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 316045555861 - 223 = 316037167253 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 (316045555841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728215350 + ... + 728215783.

It is an arithmetic number, because the mean of its divisors is an integer number (46605796288).

Almost surely, 2316045555861 is an apocalyptic number.

316045555861 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

316045555861 is a deficient number, since it is larger than the sum of its proper divisors (56800814443).

316045555861 is a wasteful number, since it uses less digits than its factorization.

316045555861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456431171.

The product of its (nonzero) digits is 2160000, while the sum is 49.

The spelling of 316045555861 in words is "three hundred sixteen billion, forty-five million, five hundred fifty-five thousand, eight hundred sixty-one".

Divisors: 1 7 31 217 1456431133 10195017931 45149365123 316045555861