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25022634632 = 23559272
BaseRepresentation
bin10111010011011101…
…110001101010001000
32101120212111112200122
4113103131301222020
5402221243302012
615254545522412
71544040612362
oct272335615210
971525445618
1025022634632
11a680696836
124a24043408
13248a12cba8
1412d5399d32
159b6b93e72
hex5d3771a88

25022634632 has 12 divisors (see below), whose sum is σ = 46918278855. Its totient is φ = 12511093608.

The previous prime is 25022634631. The next prime is 25022634643. The reversal of 25022634632 is 23643622052.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 12511317316 + 12511317316 = 111854^2 + 111854^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=111854.

It is a super-2 number, since 2×250226346322 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25022634592 and 25022634601.

It is not an unprimeable number, because it can be changed into a prime (25022634631) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 419453 + ... + 475379.

Almost surely, 225022634632 is an apocalyptic number.

It is an amenable number.

25022634632 is a deficient number, since it is larger than the sum of its proper divisors (21895644223).

25022634632 is an frugal number, since it uses more digits than its factorization.

25022634632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111860 (or 55929 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

The spelling of 25022634632 in words is "twenty-five billion, twenty-two million, six hundred thirty-four thousand, six hundred thirty-two".

Divisors: 1 2 4 8 55927 111854 223708 447416 3127829329 6255658658 12511317316 25022634632