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25255202608 = 242297687179
BaseRepresentation
bin10111100001010100…
…111100111100110000
32102012002010012222101
4113201110330330300
5403210312440413
615334014350144
71552563452206
oct274124747460
972162105871
1025255202608
11a78a9a3579
124a89abb354
1324c637ac8c
141318219076
159cc2d2edd
hex5e153cf30

25255202608 has 20 divisors (see below), whose sum is σ = 48953328840. Its totient is φ = 12622085504.

The previous prime is 25255202603. The next prime is 25255202681. The reversal of 25255202608 is 80620255252.

It is a super-2 number, since 2×252552026082 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25255202603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306838 + ... + 380341.

It is an arithmetic number, because the mean of its divisors is an integer number (2447666442).

Almost surely, 225255202608 is an apocalyptic number.

It is an amenable number.

25255202608 is a deficient number, since it is larger than the sum of its proper divisors (23698126232).

25255202608 is a wasteful number, since it uses less digits than its factorization.

25255202608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689484 (or 689478 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 25255202608 in words is "twenty-five billion, two hundred fifty-five million, two hundred two thousand, six hundred eight".

Divisors: 1 2 4 8 16 2297 4594 9188 18376 36752 687179 1374358 2748716 5497432 10994864 1578450163 3156900326 6313800652 12627601304 25255202608