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12881104983 = 324333284509
BaseRepresentation
bin10111111111100011…
…00001000001010111
31020020201001221011100
423333301201001113
5202340030324413
65530102441143
7634130404635
oct137761410127
936221057140
1012881104983
11551005890a
1225b5a331b3
1312a3873a16
148a2a5a355
15505cb8a73
hex2ffc61057

12881104983 has 12 divisors (see below), whose sum is σ = 19038739720. Its totient is φ = 8387696016.

The previous prime is 12881104979. The next prime is 12881104991. The reversal of 12881104983 is 38940118821.

It is not a de Polignac number, because 12881104983 - 22 = 12881104979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12881104933) 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 11 ways as a sum of consecutive naturals, for example, 16641868 + ... + 16642641.

Almost surely, 212881104983 is an apocalyptic number.

12881104983 is a deficient number, since it is larger than the sum of its proper divisors (6157634737).

12881104983 is a wasteful number, since it uses less digits than its factorization.

12881104983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33284558 (or 33284555 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The spelling of 12881104983 in words is "twelve billion, eight hundred eighty-one million, one hundred four thousand, nine hundred eighty-three".

Divisors: 1 3 9 43 129 387 33284509 99853527 299560581 1431233887 4293701661 12881104983