Search a number
-
+
112130531551 = 31107277122039
BaseRepresentation
bin110100001101110000…
…0000010000011011111
3101201102120101012020001
41220123200002003133
53314120404002201
6123302334235131
711046461535463
oct1503340020337
9351376335201
10112130531551
1143610841a95
1219894355aa7
13a75ca1796c
1455da13a4a3
152db4191301
hex1a1b8020df

112130531551 has 16 divisors (see below), whose sum is σ = 117252126720. Its totient is φ = 107110311840.

The previous prime is 112130531549. The next prime is 112130531573. The reversal of 112130531551 is 155135031211.

It is a cyclic number.

It is not a de Polignac number, because 112130531551 - 21 = 112130531549 is a prime.

It is a super-2 number, since 2×1121305315512 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112130538551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857790 + ... + 979828.

It is an arithmetic number, because the mean of its divisors is an integer number (7328257920).

Almost surely, 2112130531551 is an apocalyptic number.

112130531551 is a deficient number, since it is larger than the sum of its proper divisors (5121595169).

112130531551 is a wasteful number, since it uses less digits than its factorization.

112130531551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122454.

The product of its (nonzero) digits is 2250, while the sum is 28.

Adding to 112130531551 its reverse (155135031211), we get a palindrome (267265562762).

The spelling of 112130531551 in words is "one hundred twelve billion, one hundred thirty million, five hundred thirty-one thousand, five hundred fifty-one".

Divisors: 1 31 107 277 3317 8587 29639 122039 918809 3783209 13058173 33804803 404803363 1047948893 3617113921 112130531551