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26488905256 = 23111971527971
BaseRepresentation
bin11000101010110111…
…001001111000101000
32112101001112210212001
4120222313021320220
5413222124432011
620100245100344
71625263660012
oct305267117050
975331483761
1026488905256
1110263329640
1251730b76b4
132661b42848
1413d3ddd1b2
15a507797c1
hex62adc9e28

26488905256 has 32 divisors (see below), whose sum is σ = 54456922080. Its totient is φ = 11979284800.

The previous prime is 26488905241. The next prime is 26488905257. The reversal of 26488905256 is 65250988462.

It is a super-2 number, since 2×264889052562 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26488905197 and 26488905206.

It is not an unprimeable number, because it can be changed into a prime (26488905257) 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, 746650 + ... + 781321.

It is an arithmetic number, because the mean of its divisors is an integer number (1701778815).

Almost surely, 226488905256 is an apocalyptic number.

It is an amenable number.

26488905256 is an abundant number, since it is smaller than the sum of its proper divisors (27968016824).

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

26488905256 is a wasteful number, since it uses less digits than its factorization.

26488905256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528185 (or 1528181 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 55.

The spelling of 26488905256 in words is "twenty-six billion, four hundred eighty-eight million, nine hundred five thousand, two hundred fifty-six".

Divisors: 1 2 4 8 11 22 44 88 197 394 788 1576 2167 4334 8668 17336 1527971 3055942 6111884 12223768 16807681 33615362 67230724 134461448 301010287 602020574 1204041148 2408082296 3311113157 6622226314 13244452628 26488905256