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13612172448 = 253761332069
BaseRepresentation
bin11001010110101100…
…10100010010100000
31022010122201000012010
430223112110102200
5210334204004243
610130420032520
7661215361650
oct145326242240
938118630163
1013612172448
1158557976a6
12277a832740
13138c16cc14
14931ba0360
1554a076433
hex32b5944a0

13612172448 has 96 divisors (see below), whose sum is σ = 41506093440. Its totient is φ = 3825423360.

The previous prime is 13612172443. The next prime is 13612172449. The reversal of 13612172448 is 84427121631.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13612172443) 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, 125043 + ... + 207026.

It is an arithmetic number, because the mean of its divisors is an integer number (432355140).

Almost surely, 213612172448 is an apocalyptic number.

It is an amenable number.

13612172448 is an abundant number, since it is smaller than the sum of its proper divisors (27893920992).

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

13612172448 is a wasteful number, since it uses less digits than its factorization.

13612172448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332150 (or 332142 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The spelling of 13612172448 in words is "thirteen billion, six hundred twelve million, one hundred seventy-two thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 61 84 96 112 122 168 183 224 244 336 366 427 488 672 732 854 976 1281 1464 1708 1952 2562 2928 3416 5124 5856 6832 10248 13664 20496 40992 332069 664138 996207 1328276 1992414 2324483 2656552 3984828 4648966 5313104 6973449 7969656 9297932 10626208 13946898 15939312 18595864 20256209 27893796 31878624 37191728 40512418 55787592 60768627 74383456 81024836 111575184 121537254 141793463 162049672 223150368 243074508 283586926 324099344 425380389 486149016 567173852 648198688 850760778 972298032 1134347704 1701521556 1944596064 2268695408 3403043112 4537390816 6806086224 13612172448