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15313500401 = 106314405927
BaseRepresentation
bin11100100001100000…
…10111100011110001
31110112020001102101112
432100300113203301
5222330224003101
611011313243105
71051324414523
oct162060274361
943466042345
1015313500401
116549087561
122b74563495
1315a0792a54
14a53b0da13
155e95dd6bb
hex390c178f1

15313500401 has 4 divisors (see below), whose sum is σ = 15327907392. Its totient is φ = 15299093412.

The previous prime is 15313500317. The next prime is 15313500407. The reversal of 15313500401 is 10400531351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15313500401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15313500407) 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, 7201901 + ... + 7204026.

It is an arithmetic number, because the mean of its divisors is an integer number (3831976848).

Almost surely, 215313500401 is an apocalyptic number.

It is an amenable number.

15313500401 is a deficient number, since it is larger than the sum of its proper divisors (14406991).

15313500401 is a wasteful number, since it uses less digits than its factorization.

15313500401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14406990.

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 15313500401 in words is "fifteen billion, three hundred thirteen million, five hundred thousand, four hundred one".

Divisors: 1 1063 14405927 15313500401