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6676697653487 = 37691771477223
BaseRepresentation
bin110000100101000101000…
…1100010010000011101111
3212122021201112120002121022
41201022022030102003233
51333342334044402422
622111122122124355
71256242535443331
oct141121214220357
925567645502538
106676697653487
112144631845234
128b9ba46506bb
133957c0bcaa04
141912223c1451
15b8a2240b342
hex6128a3120ef

6676697653487 has 4 divisors (see below), whose sum is σ = 6678469134480. Its totient is φ = 6674926172496.

The previous prime is 6676697653427. The next prime is 6676697653513. The reversal of 6676697653487 is 7843567966766.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6676697653487 - 28 = 6676697653231 is a prime.

It is a super-4 number, since 4×66766976534874 (a number of 52 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6676697653427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885734843 + ... + 885742380.

It is an arithmetic number, because the mean of its divisors is an integer number (1669617283620).

Almost surely, 26676697653487 is an apocalyptic number.

6676697653487 is a deficient number, since it is larger than the sum of its proper divisors (1771480993).

6676697653487 is a wasteful number, since it uses less digits than its factorization.

6676697653487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771480992.

The product of its digits is 11522165760, while the sum is 80.

The spelling of 6676697653487 in words is "six trillion, six hundred seventy-six billion, six hundred ninety-seven million, six hundred fifty-three thousand, four hundred eighty-seven".

Divisors: 1 3769 1771477223 6676697653487