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25145116700 = 22521130417517
BaseRepresentation
bin10111011010110001…
…000000100000011100
32101220101222021111112
4113122301000200130
5402444122213300
615315043041152
71550055652064
oct273261004034
971811867445
1025145116700
11a733843390
124a590701b8
1324a96157a2
1413077603a4
159c27d9e35
hex5dac4081c

25145116700 has 72 divisors (see below), whose sum is σ = 59552844624. Its totient is φ = 9139456000.

The previous prime is 25145116693. The next prime is 25145116709. The reversal of 25145116700 is 761154152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25145116709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3341342 + ... + 3348858.

It is an arithmetic number, because the mean of its divisors is an integer number (827122842).

Almost surely, 225145116700 is an apocalyptic number.

25145116700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25145116700 is an abundant number, since it is smaller than the sum of its proper divisors (34407727924).

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

25145116700 is a wasteful number, since it uses less digits than its factorization.

25145116700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10583 (or 10576 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 25145116700 in words is "twenty-five billion, one hundred forty-five million, one hundred sixteen thousand, seven hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 3041 6082 7517 12164 15034 15205 30068 30410 33451 37585 60820 66902 75170 76025 82687 133804 150340 152050 165374 167255 187925 304100 330748 334510 375850 413435 669020 751700 826870 836275 1653740 1672550 2067175 3345100 4134350 8268700 22859197 45718394 91436788 114295985 228591970 251451167 457183940 502902334 571479925 1005804668 1142959850 1257255835 2285919700 2514511670 5029023340 6286279175 12572558350 25145116700