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1345131315312 = 243312478136479
BaseRepresentation
bin10011100100110000000…
…100110000000001110000
311202121000111212211000220
4103210300010300001300
5134014312104042222
62505540024213040
7166116415346211
oct23446004600160
94677014784026
101345131315312
11479515618394
1219884190a180
1399acb294945
144916743b408
1524ecb151b5c
hex13930130070

1345131315312 has 80 divisors (see below), whose sum is σ = 3587259924480. Its totient is φ = 433883923200.

The previous prime is 1345131315289. The next prime is 1345131315317. The reversal of 1345131315312 is 2135131315431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345131315317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36855889 + ... + 36892367.

It is an arithmetic number, because the mean of its divisors is an integer number (44840749056).

Almost surely, 21345131315312 is an apocalyptic number.

1345131315312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1345131315312 is an abundant number, since it is smaller than the sum of its proper divisors (2242128609168).

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

1345131315312 is a wasteful number, since it uses less digits than its factorization.

1345131315312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61302 (or 61296 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The spelling of 1345131315312 in words is "one trillion, three hundred forty-five billion, one hundred thirty-one million, three hundred fifteen thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 31 48 62 93 124 186 248 372 496 744 1488 24781 36479 49562 72958 74343 99124 109437 145916 148686 198248 218874 291832 297372 396496 437748 583664 594744 768211 875496 1130849 1189488 1536422 1750992 2261698 2304633 3072844 3392547 4523396 4609266 6145688 6785094 9046792 9218532 12291376 13570188 18093584 18437064 27140376 36874128 54280752 903986099 1807972198 2711958297 3615944396 5423916594 7231888792 10847833188 14463777584 21695666376 28023569069 43391332752 56047138138 84070707207 112094276276 168141414414 224188552552 336282828828 448377105104 672565657656 1345131315312