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680620620463 = 7247339317233
BaseRepresentation
bin10011110011110000010…
…01100111101010101111
32102001210121202220201021
421321320021213222233
542122402334323323
61240401153555011
7100113261550510
oct11717011475257
92361717686637
10680620620463
11242716661a53
12abaaa575a67
134c24a52a864
1424d29612a07
1512a87a7e05d
hex9e78267aaf

680620620463 has 8 divisors (see below), whose sum is σ = 778166695328. Its totient is φ = 583153185024.

The previous prime is 680620620397. The next prime is 680620620523. The reversal of 680620620463 is 364026026086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 680620620463 - 221 = 680618523311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680620620763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19641306 + ... + 19675927.

It is an arithmetic number, because the mean of its divisors is an integer number (97270836916).

Almost surely, 2680620620463 is an apocalyptic number.

680620620463 is a deficient number, since it is larger than the sum of its proper divisors (97546074865).

680620620463 is a wasteful number, since it uses less digits than its factorization.

680620620463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39319713.

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 680620620463 in words is "six hundred eighty billion, six hundred twenty million, six hundred twenty thousand, four hundred sixty-three".

Divisors: 1 7 2473 17311 39317233 275220631 97231517209 680620620463