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1310212112 = 2411232911161
BaseRepresentation
bin100111000011000…
…0100000000010000
310101022101200010112
41032012010000100
510140403241422
6334002220452
744316422246
oct11606040020
93338350115
101310212112
11612642830
12306954728
1317b5a2251
14c601c796
157a05aee2
hex4e184010

1310212112 has 80 divisors (see below), whose sum is σ = 2989630080. Its totient is φ = 549964800.

The previous prime is 1310212087. The next prime is 1310212129. The reversal of 1310212112 is 2112120131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111812 + ... + 122972.

It is an arithmetic number, because the mean of its divisors is an integer number (37370376).

Almost surely, 21310212112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1310212112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1494815040).

1310212112 is an abundant number, since it is smaller than the sum of its proper divisors (1679417968).

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

1310212112 is a wasteful number, since it uses less digits than its factorization.

1310212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11232 (or 11226 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1310212112 is about 36196.8522388342. The cubic root of 1310212112 is about 1094.2432340530.

Adding to 1310212112 its reverse (2112120131), we get a palindrome (3422332243).

The spelling of 1310212112 in words is "one billion, three hundred ten million, two hundred twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 23 29 44 46 58 88 92 116 176 184 232 253 319 368 464 506 638 667 1012 1276 1334 2024 2552 2668 4048 5104 5336 7337 10672 11161 14674 22322 29348 44644 58696 89288 117392 122771 178576 245542 256703 323669 491084 513406 647338 982168 1026812 1294676 1964336 2053624 2589352 2823733 3560359 4107248 5178704 5647466 7120718 7444387 11294932 14241436 14888774 22589864 28482872 29777548 45179728 56965744 59555096 81888257 119110192 163776514 327553028 655106056 1310212112