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10990601856 = 273313435689
BaseRepresentation
bin10100011110001011…
…10100011010000000
31001100221202102102000
422033011310122000
5140002043224411
65014330424000
7536233401003
oct121705643200
931327672360
1010990601856
11472a9a9933
122168892000
131061cb6a10
1476394553a
15444d34956
hex28f174680

10990601856 has 256 divisors, whose sum is σ = 35751408000. Its totient is φ = 3302498304.

The previous prime is 10990601821. The next prime is 10990601879. The reversal of 10990601856 is 65810609901.

It is a super-2 number, since 2×109906018562 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1929060 + ... + 1934748.

Almost surely, 210990601856 is an apocalyptic number.

10990601856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10990601856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17875704000).

10990601856 is an abundant number, since it is smaller than the sum of its proper divisors (24760806144).

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

10990601856 is a wasteful number, since it uses less digits than its factorization.

10990601856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5768 (or 5750 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The spelling of 10990601856 in words is "ten billion, nine hundred ninety million, six hundred one thousand, eight hundred fifty-six".