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6813400074 = 231387351283
BaseRepresentation
bin1100101100001110…
…00011110000001010
3122120211121120210220
412112013003300022
5102423212300244
63044030450510
7330561642105
oct62607036012
918524546726
106813400074
112986a94358
1213a1963a36
13847760ca0
14488c6573c
1529d25a319
hex1961c3c0a

6813400074 has 16 divisors (see below), whose sum is σ = 14675015712. Its totient is φ = 2096430768.

The previous prime is 6813400043. The next prime is 6813400079. The reversal of 6813400074 is 4700043186.

It is not an unprimeable number, because it can be changed into a prime (6813400079) 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, 43675564 + ... + 43675719.

It is an arithmetic number, because the mean of its divisors is an integer number (917188482).

Almost surely, 26813400074 is an apocalyptic number.

6813400074 is an abundant number, since it is smaller than the sum of its proper divisors (7861615638).

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

6813400074 is a wasteful number, since it uses less digits than its factorization.

6813400074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87351301.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 6813400074 is about 82543.3224070851. The cubic root of 6813400074 is about 1895.7801151250.

The spelling of 6813400074 in words is "six billion, eight hundred thirteen million, four hundred thousand, seventy-four".

Divisors: 1 2 3 6 13 26 39 78 87351283 174702566 262053849 524107698 1135566679 2271133358 3406700037 6813400074