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23002132132 = 2272177197231
BaseRepresentation
bin10101011011000010…
…001010111010100100
32012101001120101022201
4111123002022322210
5334102021212012
614322251304244
71443004616500
oct253302127244
965331511281
1023002132132
119834116361
12455b44b084
132227657795
141182cc5300
158e95d1857
hex55b08aea4

23002132132 has 72 divisors (see below), whose sum is σ = 50279056128. Its totient is φ = 9147398400.

The previous prime is 23002132121. The next prime is 23002132171. The reversal of 23002132132 is 23123120032.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187957 + ... + 285187.

It is an arithmetic number, because the mean of its divisors is an integer number (698320224).

Almost surely, 223002132132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23002132132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25139528064).

23002132132 is an abundant number, since it is smaller than the sum of its proper divisors (27276923996).

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

23002132132 is a wasteful number, since it uses less digits than its factorization.

23002132132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97337 (or 97328 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23002132132 its reverse (23123120032), we get a palindrome (46125252164).

The spelling of 23002132132 in words is "twenty-three billion, two million, one hundred thirty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 17 28 34 49 68 71 98 119 142 196 238 284 476 497 833 994 1207 1666 1988 2414 3332 3479 4828 6958 8449 13916 16898 33796 59143 97231 118286 194462 236572 388924 680617 1361234 1652927 2722468 3305854 4764319 6611708 6903401 9528638 11570489 13806802 19057276 23140978 27613604 46281956 48323807 80993423 96647614 117357817 161986846 193295228 234715634 323973692 338266649 469431268 676533298 821504719 1353066596 1643009438 3286018876 5750533033 11501066066 23002132132