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11523044819 = 1113479168227
BaseRepresentation
bin10101011101101001…
…11011010111010011
31002202001122022211202
422232310323113103
5142044344413234
65143230501415
7555360156566
oct125664732723
932661568752
1011523044819
114983505140
12229706486b
1311183baa20
147b45444dd
1547695a77e
hex2aed3b5d3

11523044819 has 16 divisors (see below), whose sum is σ = 13565905920. Its totient is φ = 9649443360.

The previous prime is 11523044807. The next prime is 11523044831. The reversal of 11523044819 is 91844032511.

It is an interprime number because it is at equal distance from previous prime (11523044807) and next prime (11523044831).

It is a cyclic number.

It is not a de Polignac number, because 11523044819 - 24 = 11523044803 is a prime.

It is a super-2 number, since 2×115230448192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11523044119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15617 + ... + 152610.

It is an arithmetic number, because the mean of its divisors is an integer number (847869120).

Almost surely, 211523044819 is an apocalyptic number.

11523044819 is a deficient number, since it is larger than the sum of its proper divisors (2042861101).

11523044819 is a wasteful number, since it uses less digits than its factorization.

11523044819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168730.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 11523044819 in words is "eleven billion, five hundred twenty-three million, forty-four thousand, eight hundred nineteen".

Divisors: 1 11 13 143 479 5269 6227 68497 168227 1850497 2186951 24056461 80580733 886388063 1047549529 11523044819