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6930399968 = 25216574999
BaseRepresentation
bin1100111010001010…
…11000001011100000
3122212222202210111022
412131011120023200
5103143140244333
63103410305012
7333512266502
oct63505301340
918788683438
106930399968
112a37037088
121414b88168
13865a774ab
1449a5ddd72
152a866bc98
hex19d1582e0

6930399968 has 12 divisors (see below), whose sum is σ = 13644225000. Its totient is φ = 3465199968.

The previous prime is 6930399943. The next prime is 6930400063. The reversal of 6930399968 is 8699930396.

It is a happy number.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6930399968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108287468 + ... + 108287531.

It is an arithmetic number, because the mean of its divisors is an integer number (1137018750).

Almost surely, 26930399968 is an apocalyptic number.

It is an amenable number.

6930399968 is a deficient number, since it is larger than the sum of its proper divisors (6713825032).

6930399968 is a wasteful number, since it uses less digits than its factorization.

6930399968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216575009 (or 216575001 counting only the distinct ones).

The product of its (nonzero) digits is 17006112, while the sum is 62.

The square root of 6930399968 is about 83249.0238261086. The cubic root of 6930399968 is about 1906.5700499290.

The spelling of 6930399968 in words is "six billion, nine hundred thirty million, three hundred ninety-nine thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 32 216574999 433149998 866299996 1732599992 3465199984 6930399968