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13047975168 = 28327316221
BaseRepresentation
bin11000010011011100…
…00100110100000000
31020200100001211000120
430021232010310000
5203210240201133
65554423220240
7641224646634
oct141156046400
936610054016
1013047975168
115596272958
1226418a7680
1312cc2cb587
148bac96dc4
1551577bab3
hex309b84d00

13047975168 has 72 divisors (see below), whose sum is σ = 34744942176. Its totient is φ = 4347033600.

The previous prime is 13047975163. The next prime is 13047975217. The reversal of 13047975168 is 86157974031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13047975168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13047975163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2094298 + ... + 2100518.

Almost surely, 213047975168 is an apocalyptic number.

It is an amenable number.

13047975168 is an abundant number, since it is smaller than the sum of its proper divisors (21696967008).

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

13047975168 is an equidigital number, since it uses as much as digits as its factorization.

13047975168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8971 (or 8957 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 13047975168 in words is "thirteen billion, forty-seven million, nine hundred seventy-five thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 2731 5462 6221 8193 10924 12442 16386 18663 21848 24884 32772 37326 43696 49768 65544 74652 87392 99536 131088 149304 174784 199072 262176 298608 349568 398144 524352 597216 699136 796288 1048704 1194432 1592576 2097408 2388864 4777728 16989551 33979102 50968653 67958204 101937306 135916408 203874612 271832816 407749224 543665632 815498448 1087331264 1630996896 2174662528 3261993792 4349325056 6523987584 13047975168