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12775482864 = 2433171739581
BaseRepresentation
bin10111110010111101…
…00110010111110000
31012222100022202212000
423321132212113300
5202131010422424
65511410534000
7631405545504
oct137136462760
935870282760
1012775482864
115466477401
122586597300
131287a12221
14892a04304
154eb8a33c9
hex2f97a65f0

12775482864 has 80 divisors (see below), whose sum is σ = 38827470240. Its totient is φ = 4007992320.

The previous prime is 12775482859. The next prime is 12775482869. The reversal of 12775482864 is 46828457721.

12775482864 is a `hidden beast` number, since 1 + 2 + 77 + 548 + 28 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (12775482859) and next prime (12775482869).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 12775482864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12775482869) 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, 862447 + ... + 877134.

It is an arithmetic number, because the mean of its divisors is an integer number (485343378).

Almost surely, 212775482864 is an apocalyptic number.

It is an amenable number.

12775482864 is an abundant number, since it is smaller than the sum of its proper divisors (26051987376).

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

12775482864 is a wasteful number, since it uses less digits than its factorization.

12775482864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739615 (or 1739603 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 54.

The spelling of 12775482864 in words is "twelve billion, seven hundred seventy-five million, four hundred eighty-two thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 27 34 36 48 51 54 68 72 102 108 136 144 153 204 216 272 306 408 432 459 612 816 918 1224 1836 2448 3672 7344 1739581 3479162 5218743 6958324 10437486 13916648 15656229 20874972 27833296 29572877 31312458 41749944 46968687 59145754 62624916 83499888 88718631 93937374 118291508 125249832 177437262 187874748 236583016 250499664 266155893 354874524 375749496 473166032 532311786 709749048 751498992 798467679 1064623572 1419498096 1596935358 2129247144 3193870716 4258494288 6387741432 12775482864