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11490855888 = 243793030289
BaseRepresentation
bin10101011001110100…
…01000101111010000
31002122211001221221010
422230322020233100
5142013124342023
65140120530520
7554516443401
oct125472105720
932584057833
1011490855888
11496731a116
122288320a40
13111182a615
147b01659a8
15473bed093
hex2ace88bd0

11490855888 has 40 divisors (see below), whose sum is σ = 30060476800. Its totient is φ = 3781799424.

The previous prime is 11490855881. The next prime is 11490855923. The reversal of 11490855888 is 88855809411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11490855881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1511353 + ... + 1518936.

It is an arithmetic number, because the mean of its divisors is an integer number (751511920).

Almost surely, 211490855888 is an apocalyptic number.

It is an amenable number.

11490855888 is an abundant number, since it is smaller than the sum of its proper divisors (18569620912).

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

11490855888 is a wasteful number, since it uses less digits than its factorization.

11490855888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030379 (or 3030373 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 57.

The spelling of 11490855888 in words is "eleven billion, four hundred ninety million, eight hundred fifty-five thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 79 158 237 316 474 632 948 1264 1896 3792 3030289 6060578 9090867 12121156 18181734 24242312 36363468 48484624 72726936 145453872 239392831 478785662 718178493 957571324 1436356986 1915142648 2872713972 3830285296 5745427944 11490855888