Search a number
-
+
23113042512 = 2437174046401
BaseRepresentation
bin10101100001101001…
…010000101001010000
32012122210021012202120
4111201221100221100
5334313414330022
614341252414240
71445522422410
oct254151205120
965583235676
1023113042512
119890789a2a
124590617380
13224461b321
141193916640
159041ddd5c
hex561a50a50

23113042512 has 80 divisors (see below), whose sum is σ = 72252554112. Its totient is φ = 6215270400.

The previous prime is 23113042457. The next prime is 23113042517. The reversal of 23113042512 is 21524031132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113042517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2017489 + ... + 2028912.

Almost surely, 223113042512 is an apocalyptic number.

It is an amenable number.

23113042512 is an abundant number, since it is smaller than the sum of its proper divisors (49139511600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23113042512 is a wasteful number, since it uses less digits than its factorization.

23113042512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046436 (or 4046430 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 23113042512 its reverse (21524031132), we get a palindrome (44637073644).

The spelling of 23113042512 in words is "twenty-three billion, one hundred thirteen million, forty-two thousand, five hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 17 21 24 28 34 42 48 51 56 68 84 102 112 119 136 168 204 238 272 336 357 408 476 714 816 952 1428 1904 2856 5712 4046401 8092802 12139203 16185604 24278406 28324807 32371208 48556812 56649614 64742416 68788817 84974421 97113624 113299228 137577634 169948842 194227248 206366451 226598456 275155268 339897684 412732902 453196912 481521719 550310536 679795368 825465804 963043438 1100621072 1359590736 1444565157 1650931608 1926086876 2889130314 3301863216 3852173752 5778260628 7704347504 11556521256 23113042512