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127812905760968 = 23197143475652719
BaseRepresentation
bin11101000011111011000010…
…110110000111100011001000
3121202112210110011100100010022
4131003323002312013203020
5113223041312333322333
61131500234402040012
735631114645334601
oct3503730266074310
9552483404310108
10127812905760968
11377a81702544aa
1212402bb7649008
1356419226c90cc
14237c26b664da8
15eb9a91180c98
hex743ec2d878c8

127812905760968 has 32 divisors (see below), whose sum is σ = 240882522883200. Its totient is φ = 63577611663552.

The previous prime is 127812905760959. The next prime is 127812905760977. The reversal of 127812905760968 is 869067509218721.

It is a Cunningham number, because it is equal to 113054372-1.

It is an interprime number because it is at equal distance from previous prime (127812905760959) and next prime (127812905760977).

It is a super-2 number, since 2×1278129057609682 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19784513 + ... + 25437231.

It is an arithmetic number, because the mean of its divisors is an integer number (7527578840100).

Almost surely, 2127812905760968 is an apocalyptic number.

It is an amenable number.

127812905760968 is a deficient number, since it is larger than the sum of its proper divisors (113069617122232).

127812905760968 is a wasteful number, since it uses less digits than its factorization.

127812905760968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5667269 (or 5667265 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 71.

The spelling of 127812905760968 in words is "one hundred twenty-seven trillion, eight hundred twelve billion, nine hundred five million, seven hundred sixty thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 197 394 788 1576 14347 28694 57388 114776 2826359 5652718 5652719 11305436 11305438 22610872 22610876 45221752 1113585643 2227171286 4454342572 8908685144 81099559493 162199118986 324398237972 648796475944 15976613220121 31953226440242 63906452880484 127812905760968