Search a number
-
+
16312269157 = 26876070811
BaseRepresentation
bin11110011000100100…
…10111100101100101
31120002211102010112221
433030102113211211
5231401420103112
611254352312341
71115143000012
oct171422274545
946084363487
1016312269157
116a1093a288
1231b2b426b1
1316cc68b692
14b0a61a709
15657129e07
hex3cc497965

16312269157 has 4 divisors (see below), whose sum is σ = 16318342656. Its totient is φ = 16306195660.

The previous prime is 16312269119. The next prime is 16312269163. The reversal of 16312269157 is 75196221361.

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, and also an emirpimes, since its reverse is a distinct semiprime: 75196221361 = 435411727021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16312269157 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 (16312269107) 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, 3032719 + ... + 3038092.

It is an arithmetic number, because the mean of its divisors is an integer number (4079585664).

Almost surely, 216312269157 is an apocalyptic number.

It is an amenable number.

16312269157 is a deficient number, since it is larger than the sum of its proper divisors (6073499).

16312269157 is an equidigital number, since it uses as much as digits as its factorization.

16312269157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6073498.

The product of its digits is 136080, while the sum is 43.

The spelling of 16312269157 in words is "sixteen billion, three hundred twelve million, two hundred sixty-nine thousand, one hundred fifty-seven".

Divisors: 1 2687 6070811 16312269157