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6681296592 = 243246397893
BaseRepresentation
bin1100011100011110…
…00111111011010000
3122020122001000220100
412032033013323100
5102140402442332
63022551212400
7324366040545
oct61617077320
918218030810
106681296592
112919466023
121365677100
13826289c49
144754b8bcc
1529186367c
hex18e3c7ed0

6681296592 has 30 divisors (see below), whose sum is σ = 18698351282. Its totient is φ = 2227098816.

The previous prime is 6681296569. The next prime is 6681296593. The reversal of 6681296592 is 2956921866.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6468019776 + 213276816 = 80424^2 + 14604^2 .

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6681296593) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23198803 + ... + 23199090.

Almost surely, 26681296592 is an apocalyptic number.

It is an amenable number.

6681296592 is an abundant number, since it is smaller than the sum of its proper divisors (12017054690).

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

6681296592 is a wasteful number, since it uses less digits than its factorization.

6681296592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46397907 (or 46397898 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 6681296592 is about 81739.1986258735. The cubic root of 6681296592 is about 1883.4477806000.

The spelling of 6681296592 in words is "six billion, six hundred eighty-one million, two hundred ninety-six thousand, five hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 46397893 92795786 139193679 185591572 278387358 371183144 417581037 556774716 742366288 835162074 1113549432 1670324148 2227098864 3340648296 6681296592