Search a number
-
+
23705198349 = 376118505229
BaseRepresentation
bin10110000100111100…
…001001111100001101
32021012001111211212020
4112010330021330031
5342022012321344
614520124400353
71466302601310
oct260474117415
967161454766
1023705198349
11a064a6a418
1247169a60b9
13230a1cb6b1
14120c41a977
1593b1ac719
hex584f09f0d

23705198349 has 16 divisors (see below), whose sum is σ = 36714376320. Its totient is φ = 13323764160.

The previous prime is 23705198303. The next prime is 23705198383. The reversal of 23705198349 is 94389150732.

It is not a de Polignac number, because 23705198349 - 211 = 23705196301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23705148349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9251334 + ... + 9253895.

It is an arithmetic number, because the mean of its divisors is an integer number (2294648520).

Almost surely, 223705198349 is an apocalyptic number.

It is an amenable number.

23705198349 is a deficient number, since it is larger than the sum of its proper divisors (13009177971).

23705198349 is a wasteful number, since it uses less digits than its factorization.

23705198349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18505300.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 23705198349 in words is "twenty-three billion, seven hundred five million, one hundred ninety-eight thousand, three hundred forty-nine".

Divisors: 1 3 7 21 61 183 427 1281 18505229 55515687 129536603 388609809 1128818969 3386456907 7901732783 23705198349