Search a number
-
+
23608729039 = 7171799531163
BaseRepresentation
bin10101111111001100…
…001001110111001111
32020221022222200211211
4111333030021313033
5341322313312124
614502400555251
71464021612550
oct257714116717
966838880754
1023608729039
11a01556a615
1246aa622b27
1322c3222c6c
1411dd6a8327
159329a3e94
hex57f309dcf

23608729039 has 32 divisors (see below), whose sum is σ = 28783019520. Its totient is φ = 18903155712.

The previous prime is 23608729037. The next prime is 23608729043. The reversal of 23608729039 is 93092780632.

23608729039 = 3802 + 3812 + ... + 41382.

It is not a de Polignac number, because 23608729039 - 21 = 23608729037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23608728983 and 23608729001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23608729033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20299272 + ... + 20300434.

It is an arithmetic number, because the mean of its divisors is an integer number (899469360).

Almost surely, 223608729039 is an apocalyptic number.

23608729039 is a deficient number, since it is larger than the sum of its proper divisors (5174290481).

23608729039 is a wasteful number, since it uses less digits than its factorization.

23608729039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319.

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 23608729039 in words is "twenty-three billion, six hundred eight million, seven hundred twenty-nine thousand, thirty-nine".

Divisors: 1 7 17 119 179 953 1163 1253 3043 6671 8141 16201 19771 21301 113407 138397 170587 208177 1108339 1194109 1457239 2899979 3539009 7758373 18841763 20299853 24773063 131892341 198392681 1388748767 3372675577 23608729039