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13165730144 = 257370115881
BaseRepresentation
bin11000100001011110…
…10001100101100000
31020222112122101110222
430100233101211200
5203430411331034
610014231142212
7644154600620
oct142057214540
936875571428
1013165730144
115646790a16
122675214968
13131a81a688
148cc78a880
15520c8c12e
hex310bd1960

13165730144 has 48 divisors (see below), whose sum is σ = 29632762656. Its totient is φ = 5640576000.

The previous prime is 13165730119. The next prime is 13165730177. The reversal of 13165730144 is 44103756131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821084 + ... + 836964.

It is an arithmetic number, because the mean of its divisors is an integer number (617349222).

Almost surely, 213165730144 is an apocalyptic number.

13165730144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13165730144 is an abundant number, since it is smaller than the sum of its proper divisors (16467032512).

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

13165730144 is a wasteful number, since it uses less digits than its factorization.

13165730144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19599 (or 19591 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 13165730144 in words is "thirteen billion, one hundred sixty-five million, seven hundred thirty thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 3701 7402 14804 15881 25907 29608 31762 51814 59216 63524 103628 111167 118432 127048 207256 222334 254096 414512 444668 508192 829024 889336 1778672 3557344 58775581 117551162 235102324 411429067 470204648 822858134 940409296 1645716268 1880818592 3291432536 6582865072 13165730144