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2686427136 = 2133283439
BaseRepresentation
bin1010000000011111…
…1010000000000000
320221012222122020100
42200013322000000
521000211132021
61122323242400
7123400153041
oct24007720000
96835878210
102686427136
111159466518
1262b819400
1333a743873
141b6adc8c8
1510aca3626
hexa01fa000

2686427136 has 168 divisors, whose sum is σ = 7871703840. Its totient is φ = 882671616.

The previous prime is 2686427131. The next prime is 2686427141. The reversal of 2686427136 is 6317246862.

It is an interprime number because it is at equal distance from previous prime (2686427131) and next prime (2686427141).

It is a junction number, because it is equal to n+sod(n) for n = 2686427091 and 2686427100.

It is not an unprimeable number, because it can be changed into a prime (2686427131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6119205 + ... + 6119643.

It is an arithmetic number, because the mean of its divisors is an integer number (46855380).

Almost surely, 22686427136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2686427136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3935851920).

2686427136 is an abundant number, since it is smaller than the sum of its proper divisors (5185276704).

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

2686427136 is an equidigital number, since it uses as much as digits as its factorization.

2686427136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 527 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 2686427136 is about 51830.7547311439. The cubic root of 2686427136 is about 1390.1394087529.

The spelling of 2686427136 in words is "two billion, six hundred eighty-six million, four hundred twenty-seven thousand, one hundred thirty-six".