Search a number
-
+
5129155854 = 232284953103
BaseRepresentation
bin1001100011011100…
…01011010100001110
3111020110102010002100
410301232023110032
541001030441404
62204543335530
7241051051104
oct46156132416
914213363070
105129155854
1121a2302789
12bb18b15a6
13639840084
143692c1c74
15200469d39
hex131b8b50e

5129155854 has 12 divisors (see below), whose sum is σ = 11113171056. Its totient is φ = 1709718612.

The previous prime is 5129155813. The next prime is 5129155879. The reversal of 5129155854 is 4585519215.

5129155854 is a `hidden beast` number, since 5 + 1 + 2 + 91 + 558 + 5 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142476534 + ... + 142476569.

It is an arithmetic number, because the mean of its divisors is an integer number (926097588).

Almost surely, 25129155854 is an apocalyptic number.

5129155854 is an abundant number, since it is smaller than the sum of its proper divisors (5984015202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5129155854 is a wasteful number, since it uses less digits than its factorization.

5129155854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284953111 (or 284953108 counting only the distinct ones).

The product of its digits is 360000, while the sum is 45.

The square root of 5129155854 is about 71618.1251779185. The cubic root of 5129155854 is about 1724.5745198885.

The spelling of 5129155854 in words is "five billion, one hundred twenty-nine million, one hundred fifty-five thousand, eight hundred fifty-four".

Divisors: 1 2 3 6 9 18 284953103 569906206 854859309 1709718618 2564577927 5129155854