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20607425408 = 27160995511
BaseRepresentation
bin10011001100010011…
…000101101110000000
31222012011111200021002
4103030103011232000
5314201000103113
613244504351132
71326446140313
oct231423055600
958164450232
1020607425408
118815399799
123bb14754a8
131c354a325b
14dd6c4297a
15809253c58
hex4cc4c5b80

20607425408 has 16 divisors (see below), whose sum is σ = 41053855560. Its totient is φ = 10303712640.

The previous prime is 20607425387. The next prime is 20607425411. The reversal of 20607425408 is 80452470602.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80497628 + ... + 80497883.

Almost surely, 220607425408 is an apocalyptic number.

It is an amenable number.

20607425408 is a deficient number, since it is larger than the sum of its proper divisors (20446430152).

20607425408 is an equidigital number, since it uses as much as digits as its factorization.

20607425408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160995525 (or 160995513 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 20607425408 in words is "twenty billion, six hundred seven million, four hundred twenty-five thousand, four hundred eight".

Divisors: 1 2 4 8 16 32 64 128 160995511 321991022 643982044 1287964088 2575928176 5151856352 10303712704 20607425408