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6680076189696 = 215367213439
BaseRepresentation
bin110000100110101001110…
…0100011000000000000000
3212122121102222212112000000
41201031103210120000000
51333421244001032241
622112441252000000
71256422341514200
oct141152344300000
925577388775000
106680076189696
112146005950518
128ba788000000
13395c0bb4a070
14191462da2400
15b8b6dd23eb6
hex61353918000

6680076189696 has 1344 divisors, whose sum is σ = 25150639575600. Its totient is φ = 1757765173248.

The previous prime is 6680076189691. The next prime is 6680076189701. The reversal of 6680076189696 is 6969816700866.

It is an interprime number because it is at equal distance from previous prime (6680076189691) and next prime (6680076189701).

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6680076189691) by changing a digit.

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 83 ways as a sum of consecutive naturals, for example, 15216574245 + ... + 15216574683.

Almost surely, 26680076189696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6680076189696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12575319787800).

6680076189696 is an abundant number, since it is smaller than the sum of its proper divisors (18470563385904).

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

6680076189696 is an frugal number, since it uses more digits than its factorization.

6680076189696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 72.

The spelling of 6680076189696 in words is "six trillion, six hundred eighty billion, seventy-six million, one hundred eighty-nine thousand, six hundred ninety-six".