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23744921107 = 2931100926177
BaseRepresentation
bin10110000111010011…
…101011111000010011
32021021211020222020111
4112013103223320103
5342112144433412
614524104022151
71500264333145
oct260723537023
967254228214
1023744921107
11a085430746
124728161957
1323154c8c9b
1412137dac95
1593e9072a7
hex5874ebe13

23744921107 has 16 divisors (see below), whose sum is σ = 25382188800. Its totient is φ = 22163742720.

The previous prime is 23744921093. The next prime is 23744921111. The reversal of 23744921107 is 70112944732.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23744921107 - 223 = 23736532499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23744921107.

It is not an unprimeable number, because it can be changed into a prime (23744921147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 894003 + ... + 920179.

It is an arithmetic number, because the mean of its divisors is an integer number (1586386800).

Almost surely, 223744921107 is an apocalyptic number.

23744921107 is a deficient number, since it is larger than the sum of its proper divisors (1637267693).

23744921107 is a wasteful number, since it uses less digits than its factorization.

23744921107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27246.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 23744921107 in words is "twenty-three billion, seven hundred forty-four million, nine hundred twenty-one thousand, one hundred seven".

Divisors: 1 29 31 899 1009 26177 29261 31279 759133 811487 907091 23533123 26412593 765965197 818790383 23744921107