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16979345068 = 2271735670893
BaseRepresentation
bin11111101000000110…
…00011111010101100
31121211022122002200011
433310003003322230
5234233203020233
611444502143004
71140523023520
oct176403037254
947738562604
1016979345068
117223441294
12335a421a64
1317a7940b5a
14b71063d80
156959970cd
hex3f40c3eac

16979345068 has 24 divisors (see below), whose sum is σ = 35956261152. Its totient is φ = 6848811264.

The previous prime is 16979345063. The next prime is 16979345099. The reversal of 16979345068 is 86054397961.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16979345063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17834971 + ... + 17835922.

It is an arithmetic number, because the mean of its divisors is an integer number (1498177548).

Almost surely, 216979345068 is an apocalyptic number.

It is an amenable number.

16979345068 is an abundant number, since it is smaller than the sum of its proper divisors (18976916084).

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

16979345068 is a wasteful number, since it uses less digits than its factorization.

16979345068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35670921 (or 35670919 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 16979345068 in words is "sixteen billion, nine hundred seventy-nine million, three hundred forty-five thousand, sixty-eight".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 35670893 71341786 142683572 249696251 499392502 606405181 998785004 1212810362 2425620724 4244836267 8489672534 16979345068