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25129030390 = 2519313020223
BaseRepresentation
bin10111011001110011…
…101001001011110110
32101212021201000020021
4113121303221023312
5402431012433030
615313310155354
71546502143162
oct273163511366
971767630207
1025129030390
11a725756512
124a537b2b5a
1324a61a2869
141305573ca2
159c11ad97a
hex5d9ce92f6

25129030390 has 16 divisors (see below), whose sum is σ = 45466622208. Its totient is φ = 9999530496.

The previous prime is 25129030379. The next prime is 25129030417. The reversal of 25129030390 is 9303092152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6508182 + ... + 6512041.

It is an arithmetic number, because the mean of its divisors is an integer number (2841663888).

Almost surely, 225129030390 is an apocalyptic number.

25129030390 is a deficient number, since it is larger than the sum of its proper divisors (20337591818).

25129030390 is a wasteful number, since it uses less digits than its factorization.

25129030390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13020423.

The product of its (nonzero) digits is 14580, while the sum is 34.

The spelling of 25129030390 in words is "twenty-five billion, one hundred twenty-nine million, thirty thousand, three hundred ninety".

Divisors: 1 2 5 10 193 386 965 1930 13020223 26040446 65101115 130202230 2512903039 5025806078 12564515195 25129030390