Search a number
-
+
51143109670 = 2550129102023
BaseRepresentation
bin101111101000010111…
…011110110000100110
311220000020210011022001
4233220113132300212
51314220114002140
635254514155514
73460242155002
oct575027366046
9156006704261
1051143109670
111a764a52294
129ab3882b9a
134a90835793
142692491702
1514e4de3e9a
hexbe85dec26

51143109670 has 16 divisors (see below), whose sum is σ = 92060336160. Its totient is φ = 20456635264.

The previous prime is 51143109637. The next prime is 51143109707. The reversal of 51143109670 is 7690134115.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450279 + ... + 552301.

It is an arithmetic number, because the mean of its divisors is an integer number (5753771010).

Almost surely, 251143109670 is an apocalyptic number.

51143109670 is a deficient number, since it is larger than the sum of its proper divisors (40917226490).

51143109670 is a wasteful number, since it uses less digits than its factorization.

51143109670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152159.

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 51143109670 in words is "fifty-one billion, one hundred forty-three million, one hundred nine thousand, six hundred seventy".

Divisors: 1 2 5 10 50129 100258 102023 204046 250645 501290 510115 1020230 5114310967 10228621934 25571554835 51143109670