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26256236168 = 235929712
BaseRepresentation
bin11000011100111111…
…100101111010001000
32111202211201222212102
4120130333211322020
5412233044024133
620021214132532
71616440216331
oct303477457210
974684658772
1026256236168
1110153a62938
1251091b1148
13262588a726
1413b1155288
15a3a11a7e8
hex61cfe5e88

26256236168 has 36 divisors (see below), whose sum is σ = 50130627495. Its totient is φ = 12892316560.

The previous prime is 26256236141. The next prime is 26256236189. The reversal of 26256236168 is 86163265262.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 13128118084 + 13128118084 = 114578^2 + 114578^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=114578.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27039923 + ... + 27040893.

Almost surely, 226256236168 is an apocalyptic number.

It is an amenable number.

26256236168 is a deficient number, since it is larger than the sum of its proper divisors (23874391327).

26256236168 is an frugal number, since it uses more digits than its factorization.

26256236168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066 (or 1032 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 47.

The spelling of 26256236168 in words is "twenty-six billion, two hundred fifty-six million, two hundred thirty-six thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 59 118 236 472 971 1942 3481 3884 6962 7768 13924 27848 57289 114578 229156 458312 942841 1885682 3380051 3771364 6760102 7542728 13520204 27040408 55627619 111255238 222510476 445020952 3282029521 6564059042 13128118084 26256236168