Search a number
-
+
26650465685260 = 2253142984622073
BaseRepresentation
bin1100000111101000010111…
…00010100100111100001100
310111100202111202221112202021
412003310023202210330030
511443120123203412020
6132403015510135524
75420301245441614
oct603641342447414
9114322452845667
1026650465685260
11854544311528a
122ba50570515a4
1311b418866cc51
14681c64803a44
1531338e36c1aa
hex183d0b8a4f0c

26650465685260 has 24 divisors (see below), whose sum is σ = 57771332067456. Its totient is φ = 10316309297280.

The previous prime is 26650465685251. The next prime is 26650465685297. The reversal of 26650465685260 is 6258656405662.

It is a super-2 number, since 2×266504656852602 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21492310417 + ... + 21492311656.

It is an arithmetic number, because the mean of its divisors is an integer number (2407138836144).

Almost surely, 226650465685260 is an apocalyptic number.

26650465685260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26650465685260 is an abundant number, since it is smaller than the sum of its proper divisors (31120866382196).

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

26650465685260 is a wasteful number, since it uses less digits than its factorization.

26650465685260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42984622113 (or 42984622111 counting only the distinct ones).

The product of its (nonzero) digits is 124416000, while the sum is 61.

The spelling of 26650465685260 in words is "twenty-six trillion, six hundred fifty billion, four hundred sixty-five million, six hundred eighty-five thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 42984622073 85969244146 171938488292 214923110365 429846220730 859692441460 1332523284263 2665046568526 5330093137052 6662616421315 13325232842630 26650465685260