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12477707412 = 2237321142031
BaseRepresentation
bin10111001111011101…
…01011010010010100
31012012121000012201120
423213232223102110
5201023243114122
65422052323540
7621131522502
oct134756532224
935177005646
1012477707412
115323382295
1225029135b0
13123b112b31
1486524d672
154d068375c
hex2e7bab494

12477707412 has 24 divisors (see below), whose sum is σ = 29118832512. Its totient is φ = 4158638400.

The previous prime is 12477707387. The next prime is 12477707419. The reversal of 12477707412 is 21470777421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12477707419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16837 + ... + 158867.

It is an arithmetic number, because the mean of its divisors is an integer number (1213284688).

Almost surely, 212477707412 is an apocalyptic number.

12477707412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12477707412 is an abundant number, since it is smaller than the sum of its proper divisors (16641125100).

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

12477707412 is a wasteful number, since it uses less digits than its factorization.

12477707412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149359 (or 149357 counting only the distinct ones).

The product of its (nonzero) digits is 153664, while the sum is 42.

The spelling of 12477707412 in words is "twelve billion, four hundred seventy-seven million, seven hundred seven thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 7321 14642 21963 29284 43926 87852 142031 284062 426093 568124 852186 1704372 1039808951 2079617902 3119426853 4159235804 6238853706 12477707412