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6867465980 = 225718747777
BaseRepresentation
bin1100110010101010…
…10011011011111100
3122201121100102021212
412121111103123330
5103031032402410
63053241343552
7332116332464
oct63125233374
918647312255
106867465980
112a04561921
1213b7a97bb8
13855a10c4b
144920daba4
152a2d89b05
hex1995536fc

6867465980 has 24 divisors (see below), whose sum is σ = 14423987088. Its totient is φ = 2746546688.

The previous prime is 6867465961. The next prime is 6867465989. The reversal of 6867465980 is 895647686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6867465989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119852 + ... + 167628.

It is an arithmetic number, because the mean of its divisors is an integer number (600999462).

Almost surely, 26867465980 is an apocalyptic number.

It is an amenable number.

6867465980 is an abundant number, since it is smaller than the sum of its proper divisors (7556521108).

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

6867465980 is a wasteful number, since it uses less digits than its factorization.

6867465980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54973 (or 54971 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 59.

The square root of 6867465980 is about 82870.1754553470. The cubic root of 6867465980 is about 1900.7813942045.

The spelling of 6867465980 in words is "six billion, eight hundred sixty-seven million, four hundred sixty-five thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 7187 14374 28748 35935 47777 71870 95554 143740 191108 238885 477770 955540 343373299 686746598 1373493196 1716866495 3433732990 6867465980