Search a number
-
+
26716310906880 = 211357791572643
BaseRepresentation
bin1100001001100011000000…
…01110001010100000000000
310111121001110122100101011010
412010301200032022200000
512000210001043010010
6132453145341520520
75425122042544020
oct604614016124000
9114531418311133
1026716310906880
118570362017911
122bb5972573140
1311ba4500b304a
1468510d6d5a80
15314e44d32620
hex184c6038a800

26716310906880 has 384 divisors, whose sum is σ = 98918049484800. Its totient is φ = 6029282967552.

The previous prime is 26716310906827. The next prime is 26716310906899. The reversal of 26716310906880 is 8860901361762.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×267163109068802 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26716310906880.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16201839 + ... + 17774481.

It is an arithmetic number, because the mean of its divisors is an integer number (257599087200).

Almost surely, 226716310906880 is an apocalyptic number.

26716310906880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26716310906880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49459024742400).

26716310906880 is an abundant number, since it is smaller than the sum of its proper divisors (72201738577920).

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

26716310906880 is a wasteful number, since it uses less digits than its factorization.

26716310906880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572759 (or 1572739 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 26716310906880 in words is "twenty-six trillion, seven hundred sixteen billion, three hundred ten million, nine hundred six thousand, eight hundred eighty".