Search a number
-
+
51051111032 = 236381388879
BaseRepresentation
bin101111100010111000…
…100010001001111000
311212202211200010220002
4233202320202021320
51314023041023112
635241430252132
73455044166255
oct574270421170
9155684603802
1051051111032
111a718026359
129a88ab7048
134a77763c0c
14268418442c
1514dbcc01c2
hexbe2e22278

51051111032 has 8 divisors (see below), whose sum is σ = 95720833200. Its totient is φ = 25525555512.

The previous prime is 51051110987. The next prime is 51051111109. The reversal of 51051111032 is 23011115015.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 51051110995 and 51051111013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3190694432 + ... + 3190694447.

It is an arithmetic number, because the mean of its divisors is an integer number (11965104150).

Almost surely, 251051111032 is an apocalyptic number.

It is an amenable number.

51051111032 is a deficient number, since it is larger than the sum of its proper divisors (44669722168).

51051111032 is a wasteful number, since it uses less digits than its factorization.

51051111032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6381388885 (or 6381388881 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 51051111032 its reverse (23011115015), we get a palindrome (74062226047).

The spelling of 51051111032 in words is "fifty-one billion, fifty-one million, one hundred eleven thousand, thirty-two".

Divisors: 1 2 4 8 6381388879 12762777758 25525555516 51051111032