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25272425998 = 217949178317
BaseRepresentation
bin10111100010010110…
…101001111000001110
32102020021112021000201
4113202112221320032
5403224220112443
615335431444114
71553163035161
oct274226517016
972207467021
1025272425998
11a799697786
124a9382663a
1324c9acb631
14131a61dad8
159cda8634d
hex5e25a9e0e

25272425998 has 16 divisors (see below), whose sum is σ = 40143300624. Its totient is φ = 11891501440.

The previous prime is 25272425987. The next prime is 25272425999. The reversal of 25272425998 is 89952427252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25272425999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283536 + ... + 361852.

It is an arithmetic number, because the mean of its divisors is an integer number (2508956289).

Almost surely, 225272425998 is an apocalyptic number.

25272425998 is a deficient number, since it is larger than the sum of its proper divisors (14870874626).

25272425998 is a wasteful number, since it uses less digits than its factorization.

25272425998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87827.

The product of its digits is 7257600, while the sum is 55.

The spelling of 25272425998 in words is "twenty-five billion, two hundred seventy-two million, four hundred twenty-five thousand, nine hundred ninety-eight".

Divisors: 1 2 17 34 9491 18982 78317 156634 161347 322694 1331389 2662778 743306647 1486613294 12636212999 25272425998