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6879707136 = 22038
BaseRepresentation
bin1100110100001000…
…00000000000000000
3122202110101100000000
412122010000000000
5103042201112021
63054400000000
7332325355131
oct63204000000
918673340000
106879707136
112a10462885
121400000000
13858408933
144939a5c88
152a3ea6b26
hex19a100000

6879707136 has 189 divisors, whose sum is σ = 20638062991. Its totient is φ = 2293235712.

The previous prime is 6879707069. The next prime is 6879707137. The reversal of 6879707136 is 6317079786.

The square root of 6879707136 is 82944.

It is a perfect power (a square, a biquadrate), and thus also a powerful number.

It is a Jordan-Polya number, since it can be written as (4!)6 ⋅ (3!)2.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6879707137) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2293235711 + 2293235712 + 2293235713.

Almost surely, 26879707136 is an apocalyptic number.

6879707136 is the 82944-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6879707136

6879707136 is an abundant number, since it is smaller than the sum of its proper divisors (13758355855).

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

6879707136 is an frugal number, since it uses more digits than its factorization.

6879707136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 5 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The cubic root of 6879707136 is about 1901.9100953633.

The spelling of 6879707136 in words is "six billion, eight hundred seventy-nine million, seven hundred seven thousand, one hundred thirty-six".