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25362425240 = 235634060631
BaseRepresentation
bin10111100111101101…
…111110010110011000
32102110112212200202222
4113213231332112120
5403420240101430
615352404443212
71555335025505
oct274755762630
972415780688
1025362425240
11a835478519
124ab99a9508
132512650119
14132856a4ac
159d69129e5
hex5e7b7e598

25362425240 has 16 divisors (see below), whose sum is σ = 57065456880. Its totient is φ = 10144970080.

The previous prime is 25362425173. The next prime is 25362425267. The reversal of 25362425240 is 4252426352.

It is a super-3 number, since 3×253624252403 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 25362425240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317030276 + ... + 317030355.

It is an arithmetic number, because the mean of its divisors is an integer number (3566591055).

Almost surely, 225362425240 is an apocalyptic number.

25362425240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25362425240 is an abundant number, since it is smaller than the sum of its proper divisors (31703031640).

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

25362425240 is a wasteful number, since it uses less digits than its factorization.

25362425240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634060642 (or 634060638 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

The spelling of 25362425240 in words is "twenty-five billion, three hundred sixty-two million, four hundred twenty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 634060631 1268121262 2536242524 3170303155 5072485048 6340606310 12681212620 25362425240