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30231122112 = 263252484587
BaseRepresentation
bin11100001001111010…
…100101000011000000
32220000212012010022100
4130021322211003000
5443403131401422
621515445510400
72120104204152
oct341172450300
986025163270
1030231122112
1111903753544
125a38412400
132b0a228049
14166b00cad2
15bbe07e7ac
hex709ea50c0

30231122112 has 42 divisors (see below), whose sum is σ = 86652054788. Its totient is φ = 10077040512.

The previous prime is 30231122107. The next prime is 30231122267. The reversal of 30231122112 is 21122113203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26241718 + ... + 26242869.

Almost surely, 230231122112 is an apocalyptic number.

30231122112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30231122112 is an abundant number, since it is smaller than the sum of its proper divisors (56420932676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30231122112 is a wasteful number, since it uses less digits than its factorization.

30231122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52484605 (or 52484592 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30231122112 its reverse (21122113203), we get a palindrome (51353235315).

It can be divided in two parts, 302311 and 22112, that added together give a palindrome (324423).

The spelling of 30231122112 in words is "thirty billion, two hundred thirty-one million, one hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 52484587 104969174 157453761 209938348 314907522 419876696 472361283 629815044 839753392 944722566 1259630088 1679506784 1889445132 2519260176 3359013568 3778890264 5038520352 7557780528 10077040704 15115561056 30231122112