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28625711607 = 34353403847
BaseRepresentation
bin11010101010001110…
…011011000111110111
32201212222022211010000
4122222032123013313
5432111140232412
621052300202343
72032241351103
oct325216330767
981788284100
1028625711607
111115a5168a9
12566a8393b3
1329127496bc
141557b0a903
15b281624dc
hex6aa39b1f7

28625711607 has 10 divisors (see below), whose sum is σ = 42761865608. Its totient is φ = 19083807684.

The previous prime is 28625711539. The next prime is 28625711629. The reversal of 28625711607 is 70611752682.

28625711607 is a `hidden beast` number, since 2 + 8 + 6 + 25 + 7 + 11 + 607 = 666.

It is not a de Polignac number, because 28625711607 - 212 = 28625707511 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 (28625711677) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 176701843 + ... + 176702004.

Almost surely, 228625711607 is an apocalyptic number.

28625711607 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

28625711607 is a deficient number, since it is larger than the sum of its proper divisors (14136154001).

28625711607 is an equidigital number, since it uses as much as digits as its factorization.

28625711607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353403859 (or 353403850 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 28625711607 in words is "twenty-eight billion, six hundred twenty-five million, seven hundred eleven thousand, six hundred seven".

Divisors: 1 3 9 27 81 353403847 1060211541 3180634623 9541903869 28625711607