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25290427712 = 2611187719139
BaseRepresentation
bin10111100011011011…
…010100110101000000
32102021112101211201212
4113203123110311000
5403243322141322
615341313345252
71553502042254
oct274333246500
972245354655
1025290427712
11a7a8872730
124a99868228
132500762334
14131cb88264
159d04400e2
hex5e36d4d40

25290427712 has 56 divisors (see below), whose sum is σ = 54780058080. Its totient is φ = 11488924160.

The previous prime is 25290427711. The next prime is 25290427733. The reversal of 25290427712 is 21772409252.

It is a self number, because there is not a number n which added to its sum of digits gives 25290427712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25290427711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1311839 + ... + 1330977.

Almost surely, 225290427712 is an apocalyptic number.

25290427712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25290427712 is an abundant number, since it is smaller than the sum of its proper divisors (29489630368).

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

25290427712 is a wasteful number, since it uses less digits than its factorization.

25290427712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21039 (or 21029 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 25290427712 in words is "twenty-five billion, two hundred ninety million, four hundred twenty-seven thousand, seven hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 704 1877 3754 7508 15016 19139 20647 30032 38278 41294 60064 76556 82588 120128 153112 165176 210529 306224 330352 421058 612448 660704 842116 1224896 1321408 1684232 3368464 6736928 13473856 35923903 71847806 143695612 287391224 395162933 574782448 790325866 1149564896 1580651732 2299129792 3161303464 6322606928 12645213856 25290427712