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25213749048 = 2332479373063
BaseRepresentation
bin10111011110110110…
…110100011100111000
32102002012010011101100
4113132312310130320
5403114204432143
615325534051400
71551551221305
oct273666643470
972065104340
1025213749048
11a76955a934
124a78049b60
1324ba8c5947
1413129080ac
159c88456d3
hex5dedb4738

25213749048 has 48 divisors (see below), whose sum is σ = 68302419120. Its totient is φ = 8402714496.

The previous prime is 25213749023. The next prime is 25213749083. The reversal of 25213749048 is 84094731252.

25213749048 is a `hidden beast` number, since 2 + 521 + 37 + 4 + 90 + 4 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 25213748994 and 25213749012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308565 + ... + 381627.

It is an arithmetic number, because the mean of its divisors is an integer number (1422967065).

Almost surely, 225213749048 is an apocalyptic number.

It is an amenable number.

25213749048 is an abundant number, since it is smaller than the sum of its proper divisors (43088670072).

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

25213749048 is a wasteful number, since it uses less digits than its factorization.

25213749048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77868 (or 77861 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 25213749048 in words is "twenty-five billion, two hundred thirteen million, seven hundred forty-nine thousand, forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 4793 9586 14379 19172 28758 38344 43137 57516 73063 86274 115032 146126 172548 219189 292252 345096 438378 584504 657567 876756 1315134 1753512 2630268 5260536 350190959 700381918 1050572877 1400763836 2101145754 2801527672 3151718631 4202291508 6303437262 8404583016 12606874524 25213749048