Search a number
-
+
26650465685250 = 23531143153149069
BaseRepresentation
bin1100000111101000010111…
…00010100100111100000010
310111100202111202221112201220
412003310023202210330002
511443120123203412000
6132403015510135510
75420301245441601
oct603641342447402
9114322452845656
1026650465685250
118545443115280
122ba5057051596
1311b418866cc44
14681c64803a38
1531338e36c1a0
hex183d0b8a4f02

26650465685250 has 256 divisors, whose sum is σ = 74304410019840. Its totient is φ = 6306219360000.

The previous prime is 26650465685219. The next prime is 26650465685251. The reversal of 26650465685250 is 5258656405662.

It is not an unprimeable number, because it can be changed into a prime (26650465685251) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 543097716 + ... + 543146784.

It is an arithmetic number, because the mean of its divisors is an integer number (290251601640).

Almost surely, 226650465685250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26650465685250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37152205009920).

26650465685250 is an abundant number, since it is smaller than the sum of its proper divisors (47653944334590).

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

26650465685250 is a wasteful number, since it uses less digits than its factorization.

26650465685250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50674 (or 50664 counting only the distinct ones).

The product of its (nonzero) digits is 103680000, while the sum is 60.

The spelling of 26650465685250 in words is "twenty-six trillion, six hundred fifty billion, four hundred sixty-five million, six hundred eighty-five thousand, two hundred fifty".