Search a number
-
+
23029145712 = 24321271259249
BaseRepresentation
bin10101011100101001…
…001110000001110000
32012102221101210222200
4111130221032001300
5334130430130322
614325054303200
71443453336336
oct253451160160
965387353880
1023029145712
119848397031
1245684b7b00
132230125351
141186717b56
158ebb6a8ac
hex55ca4e070

23029145712 has 60 divisors (see below), whose sum is σ = 64957152000. Its totient is φ = 7615931904.

The previous prime is 23029145653. The next prime is 23029145723. The reversal of 23029145712 is 21754192032.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 611337 + ... + 647912.

It is an arithmetic number, because the mean of its divisors is an integer number (1082619200).

Almost surely, 223029145712 is an apocalyptic number.

It is an amenable number.

23029145712 is an abundant number, since it is smaller than the sum of its proper divisors (41928006288).

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

23029145712 is a wasteful number, since it uses less digits than its factorization.

23029145712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259390 (or 1259381 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 23029145712 in words is "twenty-three billion, twenty-nine million, one hundred forty-five thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 127 144 254 381 508 762 1016 1143 1524 2032 2286 3048 4572 6096 9144 18288 1259249 2518498 3777747 5036996 7555494 10073992 11333241 15110988 20147984 22666482 30221976 45332964 60443952 90665928 159924623 181331856 319849246 479773869 639698492 959547738 1279396984 1439321607 1919095476 2558793968 2878643214 3838190952 5757286428 7676381904 11514572856 23029145712