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1312140756192 = 25372698772353
BaseRepresentation
bin10011000110000001101…
…011110000010011100000
311122102212100022202202220
4103012001223300103200
5132444231013144232
62442442242111040
7163541033255130
oct23060153602340
94572770282686
101312140756192
11466526281aa2
1219237534b480
1396971472546
1447717b66ac0
15241e9beb42c
hex13181af04e0

1312140756192 has 96 divisors (see below), whose sum is σ = 3936622540032. Its totient is φ = 374878285824.

The previous prime is 1312140756169. The next prime is 1312140756209. The reversal of 1312140756192 is 2916570412131.

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

It is a super-2 number, since 2×13121407561922 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 18099088 + ... + 18171440.

It is an arithmetic number, because the mean of its divisors is an integer number (41006484792).

Almost surely, 21312140756192 is an apocalyptic number.

1312140756192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1312140756192 is an abundant number, since it is smaller than the sum of its proper divisors (2624481783840).

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

1312140756192 is a wasteful number, since it uses less digits than its factorization.

1312140756192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99360 (or 99352 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 1312140756192 in words is "one trillion, three hundred twelve billion, one hundred forty million, seven hundred fifty-six thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 26987 53974 72353 80961 107948 144706 161922 188909 215896 217059 289412 323844 377818 431792 434118 506471 566727 578824 647688 755636 863584 868236 1012942 1133454 1157648 1295376 1511272 1519413 1736472 2025884 2266908 2315296 2590752 3022544 3038826 3472944 4051768 4533816 6045088 6077652 6945888 8103536 9067632 12155304 16207072 18135264 24310608 48621216 1952590411 3905180822 5857771233 7810361644 11715542466 13668132877 15620723288 23431084932 27336265754 31241446576 41004398631 46862169864 54672531508 62482893152 82008797262 93724339728 109345063016 164017594524 187448679456 218690126032 328035189048 437380252064 656070378096 1312140756192