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23144048812 = 22171822918671
BaseRepresentation
bin10101100011011111…
…100010100010101100
32012201221121111102001
4111203133202202230
5334344334030222
614344321142044
71446350111653
oct254337424254
965657544361
1023144048812
1198a7237475
12459aa8a924
13224ab86351
141197aa819a
15906cb5e27
hex5637e28ac

23144048812 has 24 divisors (see below), whose sum is σ = 42889210560. Its totient is φ = 10890136320.

The previous prime is 23144048801. The next prime is 23144048861. The reversal of 23144048812 is 21884044132.

It is a super-2 number, since 2×231440488122 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1230237 + ... + 1248907.

It is an arithmetic number, because the mean of its divisors is an integer number (1787050440).

Almost surely, 223144048812 is an apocalyptic number.

It is an amenable number.

23144048812 is a deficient number, since it is larger than the sum of its proper divisors (19745161748).

23144048812 is a wasteful number, since it uses less digits than its factorization.

23144048812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36921 (or 36919 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The spelling of 23144048812 in words is "twenty-three billion, one hundred forty-four million, forty-eight thousand, eight hundred twelve".

Divisors: 1 2 4 17 34 68 18229 18671 36458 37342 72916 74684 309893 317407 619786 634814 1239572 1269628 340353659 680707318 1361414636 5786012203 11572024406 23144048812