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23936834845 = 571162173597
BaseRepresentation
bin10110010010101111…
…110001110100011101
32021210012101012101201
4112102233301310131
5343010312203340
614555121235501
71505114511340
oct262257616435
967705335351
1023936834845
11a1737a0340
124780492b91
1323461b1801
1412310b6457
159516b579a
hex592bf1d1d

23936834845 has 16 divisors (see below), whose sum is σ = 35811992448. Its totient is φ = 14921663040.

The previous prime is 23936834783. The next prime is 23936834863. The reversal of 23936834845 is 54843863932.

It is not a de Polignac number, because 23936834845 - 29 = 23936834333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31086414 + ... + 31087183.

It is an arithmetic number, because the mean of its divisors is an integer number (2238249528).

Almost surely, 223936834845 is an apocalyptic number.

It is an amenable number.

23936834845 is a deficient number, since it is larger than the sum of its proper divisors (11875157603).

23936834845 is a wasteful number, since it uses less digits than its factorization.

23936834845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62173620.

The product of its digits is 14929920, while the sum is 55.

The spelling of 23936834845 in words is "twenty-three billion, nine hundred thirty-six million, eight hundred thirty-four thousand, eight hundred forty-five".

Divisors: 1 5 7 11 35 55 77 385 62173597 310867985 435215179 683909567 2176075895 3419547835 4787366969 23936834845