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19960968896 = 261128353649
BaseRepresentation
bin10010100101110001…
…000011011011000000
31220112010002021122022
4102211301003123000
5311340002001041
613100412501012
71304436302411
oct224561033300
956463067568
1019960968896
1185134a0410
123a50a7a768
131b615900cb
14d75045808
157bc60b24b
hex4a5c436c0

19960968896 has 28 divisors (see below), whose sum is σ = 43210962600. Its totient is φ = 9073167360.

The previous prime is 19960968857. The next prime is 19960968901. The reversal of 19960968896 is 69886906991.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14176121 + ... + 14177528.

Almost surely, 219960968896 is an apocalyptic number.

19960968896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19960968896 is an abundant number, since it is smaller than the sum of its proper divisors (23249993704).

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

19960968896 is a wasteful number, since it uses less digits than its factorization.

19960968896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28353672 (or 28353662 counting only the distinct ones).

The product of its (nonzero) digits is 90699264, while the sum is 71.

The spelling of 19960968896 in words is "nineteen billion, nine hundred sixty million, nine hundred sixty-eight thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 704 28353649 56707298 113414596 226829192 311890139 453658384 623780278 907316768 1247560556 1814633536 2495121112 4990242224 9980484448 19960968896