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12951074742488 = 2341148013266767
BaseRepresentation
bin1011110001110110100000…
…1101011010000011011000
31200212002222122222221011222
42330131220031122003120
53144142300113224423
643313350330311212
72504453463644561
oct274355015320330
950762878887158
1012951074742488
11414357a070683
121552008888508
1372c386794bbc
1432ab9a33b168
15176d493393c8
hexbc76835a0d8

12951074742488 has 32 divisors (see below), whose sum is σ = 24875801213760. Its totient is φ = 6317531070720.

The previous prime is 12951074742449. The next prime is 12951074742533. The reversal of 12951074742488 is 88424747015921.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12951074742488.

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, 48414881 + ... + 48681647.

It is an arithmetic number, because the mean of its divisors is an integer number (777368787930).

Almost surely, 212951074742488 is an apocalyptic number.

It is an amenable number.

12951074742488 is a deficient number, since it is larger than the sum of its proper divisors (11924726471272).

12951074742488 is a wasteful number, since it uses less digits than its factorization.

12951074742488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414827 (or 414823 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 62.

The spelling of 12951074742488 in words is "twelve trillion, nine hundred fifty-one billion, seventy-four million, seven hundred forty-two thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 41 82 164 328 148013 266767 296026 533534 592052 1067068 1184104 2134136 6068533 10937447 12137066 21874894 24274132 43749788 48548264 87499576 39484983971 78969967942 157939935884 315879871768 1618884342811 3237768685622 6475537371244 12951074742488