Search a number
-
+
47951272135 = 5131938826941
BaseRepresentation
bin101100101010000111…
…100101100011000111
311120202210210000100001
4230222013211203013
51241201011202020
634010054102131
73315164042134
oct545207454307
9146683700301
1047951272135
1119377274528
12936294a947
1346a2494310
14246c5cd58b
1513a9aa950a
hexb2a1e58c7

47951272135 has 16 divisors (see below), whose sum is σ = 65229262560. Its totient is φ = 33546476160.

The previous prime is 47951272123. The next prime is 47951272141. The reversal of 47951272135 is 53127215974.

47951272135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47951272135 - 29 = 47951271623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19412236 + ... + 19414705.

It is an arithmetic number, because the mean of its divisors is an integer number (4076828910).

Almost surely, 247951272135 is an apocalyptic number.

47951272135 is a deficient number, since it is larger than the sum of its proper divisors (17277990425).

47951272135 is a wasteful number, since it uses less digits than its factorization.

47951272135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38826978.

The product of its digits is 529200, while the sum is 46.

The spelling of 47951272135 in words is "forty-seven billion, nine hundred fifty-one million, two hundred seventy-two thousand, one hundred thirty-five".

Divisors: 1 5 13 19 65 95 247 1235 38826941 194134705 504750233 737711879 2523751165 3688559395 9590254427 47951272135