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1345372512 = 253115092503
BaseRepresentation
bin101000000110000…
…1100000101100000
310110202120000010120
41100030030011200
510223403410022
6341300000240
745224322561
oct12014140540
93422500116
101345372512
11630478310
12316690080
13185963013
14ca972168
157d1a3d5c
hex5030c160

1345372512 has 96 divisors (see below), whose sum is σ = 3861768960. Its totient is φ = 406725120.

The previous prime is 1345372493. The next prime is 1345372513. The reversal of 1345372512 is 2152735431.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345372513) 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, 536253 + ... + 538755.

It is an arithmetic number, because the mean of its divisors is an integer number (40226760).

Almost surely, 21345372512 is an apocalyptic number.

1345372512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345372512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1930884480).

1345372512 is an abundant number, since it is smaller than the sum of its proper divisors (2516396448).

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

1345372512 is a wasteful number, since it uses less digits than its factorization.

1345372512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036 (or 3028 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 1345372512 is about 36679.3199500754. The cubic root of 1345372512 is about 1103.9452031193.

The spelling of 1345372512 in words is "one billion, three hundred forty-five million, three hundred seventy-two thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 264 352 509 528 1018 1056 1527 2036 2503 3054 4072 5006 5599 6108 7509 8144 10012 11198 12216 15018 16288 16797 20024 22396 24432 27533 30036 33594 40048 44792 48864 55066 60072 67188 80096 82599 89584 110132 120144 134376 165198 179168 220264 240288 268752 330396 440528 537504 660792 881056 1274027 1321584 2548054 2643168 3822081 5096108 7644162 10192216 14014297 15288324 20384432 28028594 30576648 40768864 42042891 56057188 61153296 84085782 112114376 122306592 168171564 224228752 336343128 448457504 672686256 1345372512