Search a number
-
+
51450884315 = 519553526271
BaseRepresentation
bin101111111010101101…
…100011000011011011
311220210200220201201222
4233322231203003123
51320332411244230
635345231002255
73501000205115
oct577255430333
9156720821658
1051450884315
111a9027569a6
129b7a96938b
134b0c52625c
1426c12ca3b5
151511e3b6e5
hexbfab630db

51450884315 has 8 divisors (see below), whose sum is σ = 61744336128. Its totient is φ = 41158524160.

The previous prime is 51450884291. The next prime is 51450884321. The reversal of 51450884315 is 51348805415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-51450884315 is a prime.

It is a Duffinian 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, 165371 + ... + 360900.

It is an arithmetic number, because the mean of its divisors is an integer number (7718042016).

Almost surely, 251450884315 is an apocalyptic number.

51450884315 is a deficient number, since it is larger than the sum of its proper divisors (10293451813).

51450884315 is a wasteful number, since it uses less digits than its factorization.

51450884315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545829.

The product of its (nonzero) digits is 384000, while the sum is 44.

The spelling of 51450884315 in words is "fifty-one billion, four hundred fifty million, eight hundred eighty-four thousand, three hundred fifteen".

Divisors: 1 5 19553 97765 526271 2631355 10290176863 51450884315