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100112221231 = 1159352943711
BaseRepresentation
bin101110100111100100…
…1110100010000101111
3100120101222210202211121
41131033021310100233
53120012212034411
6113554012201411
710142605561051
oct1351711642057
9316358722747
10100112221231
1139503814620
121749b469267
139595b41b39
144bb9d138d1
15290e005571
hex174f27442f

100112221231 has 16 divisors (see below), whose sum is σ = 111098419200. Its totient is φ = 89441150400.

The previous prime is 100112221229. The next prime is 100112221259. The reversal of 100112221231 is 132122211001.

It is a cyclic number.

It is not a de Polignac number, because 100112221231 - 21 = 100112221229 is a prime.

It is a super-2 number, since 2×1001122212312 (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 (100112221271) 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, 2268466 + ... + 2312176.

It is an arithmetic number, because the mean of its divisors is an integer number (6943651200).

Almost surely, 2100112221231 is an apocalyptic number.

100112221231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100112221231 is a deficient number, since it is larger than the sum of its proper divisors (10986197969).

100112221231 is a wasteful number, since it uses less digits than its factorization.

100112221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47310.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 100112221231 its reverse (132122211001), we get a palindrome (232234432232).

The spelling of 100112221231 in words is "one hundred billion, one hundred twelve million, two hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 11 59 649 3529 38819 43711 208211 480821 2290321 2578949 28368439 154256119 1696817309 9101111021 100112221231