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25968807260 = 22511313807743
BaseRepresentation
bin11000001011110111…
…001000110101011100
32111000210220002112022
4120023313020311130
5411141003313020
615532505355312
71606350135224
oct301367106534
974023802468
1025968807260
1110016795290
125048a98b38
1325ab171856
141384cd5084
15a1ec91625
hex60bdc8d5c

25968807260 has 48 divisors (see below), whose sum is σ = 61411295232. Its totient is φ = 9138580800.

The previous prime is 25968807257. The next prime is 25968807377. The reversal of 25968807260 is 6270886952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1897052 + ... + 1910691.

It is an arithmetic number, because the mean of its divisors is an integer number (1279401984).

Almost surely, 225968807260 is an apocalyptic number.

25968807260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25968807260 is an abundant number, since it is smaller than the sum of its proper divisors (35442487972).

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

25968807260 is a wasteful number, since it uses less digits than its factorization.

25968807260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807794 (or 3807792 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 25968807260 in words is "twenty-five billion, nine hundred sixty-eight million, eight hundred seven thousand, two hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 31 44 55 62 110 124 155 220 310 341 620 682 1364 1705 3410 6820 3807743 7615486 15230972 19038715 38077430 41885173 76154860 83770346 118040033 167540692 209425865 236080066 418851730 472160132 590200165 837703460 1180400330 1298440363 2360800660 2596880726 5193761452 6492201815 12984403630 25968807260