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13285378313466 = 237615185549693
BaseRepresentation
bin1100000101010011111001…
…0000010100110011111010
31202001001212212010220211220
43001110332100110303322
53220131423322012331
644131115112132510
72540560026264240
oct301247620246372
952031785126756
1013285378313466
11426232a788536
1215a6966397136
13754a624585ac
1433d0312a0790
151808b335e296
hexc153e414cfa

13285378313466 has 32 divisors (see below), whose sum is σ = 30864391778688. Its totient is φ = 3733595778240.

The previous prime is 13285378313447. The next prime is 13285378313479. The reversal of 13285378313466 is 66431387358231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2592772285 + ... + 2592777408.

It is an arithmetic number, because the mean of its divisors is an integer number (964512243084).

Almost surely, 213285378313466 is an apocalyptic number.

13285378313466 is an abundant number, since it is smaller than the sum of its proper divisors (17579013465222).

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

13285378313466 is a wasteful number, since it uses less digits than its factorization.

13285378313466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5185549766.

The product of its digits is 52254720, while the sum is 60.

The spelling of 13285378313466 in words is "thirteen trillion, two hundred eighty-five billion, three hundred seventy-eight million, three hundred thirteen thousand, four hundred sixty-six".

Divisors: 1 2 3 6 7 14 21 42 61 122 183 366 427 854 1281 2562 5185549693 10371099386 15556649079 31113298158 36298847851 72597695702 108896543553 217793087106 316318531273 632637062546 948955593819 1897911187638 2214229718911 4428459437822 6642689156733 13285378313466