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23023658642 = 2136120894049
BaseRepresentation
bin10101011100010100…
…010010011010010010
32012102120002001010212
4111130110102122102
5334123024034032
614324340524122
71443355604135
oct253424223222
965376061125
1023023658642
119845289566
1245666b0642
13222bc5396a
141185aca21c
158eb434bb2
hex55c512692

23023658642 has 16 divisors (see below), whose sum is σ = 34585947000. Its totient is φ = 11495024640.

The previous prime is 23023658641. The next prime is 23023658659. The reversal of 23023658642 is 24685632032.

It can be written as a sum of positive squares in 4 ways, for example, as 17915554801 + 5108103841 = 133849^2 + 71471^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23023658642.

It is not an unprimeable number, because it can be changed into a prime (23023658641) 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, 5684234 + ... + 5688282.

Almost surely, 223023658642 is an apocalyptic number.

23023658642 is a deficient number, since it is larger than the sum of its proper divisors (11562288358).

23023658642 is a wasteful number, since it uses less digits than its factorization.

23023658642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 23023658642 in words is "twenty-three billion, twenty-three million, six hundred fifty-eight thousand, six hundred forty-two".

Divisors: 1 2 1361 2089 2722 4049 4178 8098 2843129 5510689 5686258 8458361 11021378 16916722 11511829321 23023658642