Search a number
-
+
23830815172 = 22431372114793
BaseRepresentation
bin10110001100011011…
…010110000111000100
32021111210212211202011
4112030123112013010
5342301142041142
614540413024004
71502356405153
oct261433260704
967453784664
1023830815172
11a11996817a
124750a85004
13232a241088
141220d9959a
15947222417
hex58c6d61c4

23830815172 has 48 divisors (see below), whose sum is σ = 43198005312. Its totient is φ = 11496199680.

The previous prime is 23830815167. The next prime is 23830815181. The reversal of 23830815172 is 27151803832.

It is a happy 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, 4969608 + ... + 4974400.

It is an arithmetic number, because the mean of its divisors is an integer number (899958444).

Almost surely, 223830815172 is an apocalyptic number.

It is an amenable number.

23830815172 is a deficient number, since it is larger than the sum of its proper divisors (19367190140).

23830815172 is a wasteful number, since it uses less digits than its factorization.

23830815172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5188 (or 5186 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 23830815172 in words is "twenty-three billion, eight hundred thirty million, eight hundred fifteen thousand, one hundred seventy-two".

Divisors: 1 2 4 43 86 137 172 211 274 422 548 844 4793 5891 9073 9586 11782 18146 19172 23564 28907 36292 57814 115628 206099 412198 656641 824396 1011323 1243001 1313282 2022646 2486002 2626564 4045292 4972004 28235563 43486889 56471126 86973778 112942252 138551251 173947556 277102502 554205004 5957703793 11915407586 23830815172