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25328983686 = 234221497281
BaseRepresentation
bin10111100101101110…
…011001111010000110
32102101012221200120220
4113211232121322012
5403333204434221
615345212005210
71554450544326
oct274556317206
972335850526
1025328983686
11a818607376
124aaa760806
132508741816
141323d43286
159d3a090c6
hex5e5b99e86

25328983686 has 8 divisors (see below), whose sum is σ = 50657967384. Its totient is φ = 8442994560.

The previous prime is 25328983663. The next prime is 25328983753. The reversal of 25328983686 is 68638982352.

It is a sphenic number, since it is the product of 3 distinct primes.

25328983686 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2110748635 + ... + 2110748646.

It is an arithmetic number, because the mean of its divisors is an integer number (6332245923).

Almost surely, 225328983686 is an apocalyptic number.

25328983686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25328983686 is a wasteful number, since it uses less digits than its factorization.

25328983686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4221497286.

The product of its digits is 29859840, while the sum is 60.

The spelling of 25328983686 in words is "twenty-five billion, three hundred twenty-eight million, nine hundred eighty-three thousand, six hundred eighty-six".

Divisors: 1 2 3 6 4221497281 8442994562 12664491843 25328983686