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676290641985 = 34571929214929
BaseRepresentation
bin10011101011101100001…
…00000100000001000001
32101122121212011012220000
421311312010010001001
542040020401020420
61234403355310213
766601053415530
oct11656604040101
92348555135800
10676290641985
112408a4489042
12ab0a044b369
134ba0a44310a
1424a38524317
15128d2877690
hex9d76104041

676290641985 has 240 divisors, whose sum is σ = 1510548124800. Its totient is φ = 282771191808.

The previous prime is 676290641953. The next prime is 676290642037. The reversal of 676290641985 is 589146092676.

It is not a de Polignac number, because 676290641985 - 25 = 676290641953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 45293001 + ... + 45307929.

It is an arithmetic number, because the mean of its divisors is an integer number (6293950520).

Almost surely, 2676290641985 is an apocalyptic number.

It is an amenable number.

676290641985 is an abundant number, since it is smaller than the sum of its proper divisors (834257482815).

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

676290641985 is a wasteful number, since it uses less digits than its factorization.

676290641985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15030 (or 14992 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 676290641985 in words is "six hundred seventy-six billion, two hundred ninety million, six hundred forty-one thousand, nine hundred eighty-five".