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5312411087 = 9915360657
BaseRepresentation
bin1001111001010010…
…01111010111001111
3111201020020110000012
410330221033113033
541334434123322
62235051223435
7245434514654
oct47451172717
914636213005
105312411087
112286799095
121043147b7b
136687b3819
14385785c2b
152115b7ae2
hex13ca4f5cf

5312411087 has 4 divisors (see below), whose sum is σ = 5317772736. Its totient is φ = 5307049440.

The previous prime is 5312411059. The next prime is 5312411129. The reversal of 5312411087 is 7801142135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7801142135 = 51560228427.

It is a cyclic number.

It is not a de Polignac number, because 5312411087 - 218 = 5312148943 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 (5312411017) 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, 2679338 + ... + 2681319.

It is an arithmetic number, because the mean of its divisors is an integer number (1329443184).

Almost surely, 25312411087 is an apocalyptic number.

5312411087 is a deficient number, since it is larger than the sum of its proper divisors (5361649).

5312411087 is an equidigital number, since it uses as much as digits as its factorization.

5312411087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5361648.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 5312411087 is about 72886.2887448661. The cubic root of 5312411087 is about 1744.8732772238.

The spelling of 5312411087 in words is "five billion, three hundred twelve million, four hundred eleven thousand, eighty-seven".

Divisors: 1 991 5360657 5312411087