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23212102230 = 2335105181799
BaseRepresentation
bin10101100111100011…
…001001001001010110
32012220200122222011000
4111213203021021112
5340014244232410
614355151524130
71451134420302
oct254743111126
965820588130
1023212102230
119931698a69
1245b9829646
13225bcc2b45
1411a2b40d02
1590cc59dc0
hex5678c9256

23212102230 has 64 divisors (see below), whose sum is σ = 61958592000. Its totient is φ = 6183928800.

The previous prime is 23212102187. The next prime is 23212102247. The reversal of 23212102230 is 3220121232.

23212102230 is a `hidden beast` number, since 232 + 1 + 210 + 223 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 242871 + ... + 324669.

It is an arithmetic number, because the mean of its divisors is an integer number (968103000).

Almost surely, 223212102230 is an apocalyptic number.

23212102230 is an abundant number, since it is smaller than the sum of its proper divisors (38746489770).

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

23212102230 is a wasteful number, since it uses less digits than its factorization.

23212102230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82866 (or 82860 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23212102230 its reverse (3220121232), we get a palindrome (26432223462).

The spelling of 23212102230 in words is "twenty-three billion, two hundred twelve million, one hundred two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 1051 2102 3153 5255 6306 9459 10510 15765 18918 28377 31530 47295 56754 81799 94590 141885 163598 245397 283770 408995 490794 736191 817990 1226985 1472382 2208573 2453970 3680955 4417146 7361910 11042865 22085730 85970749 171941498 257912247 429853745 515824494 773736741 859707490 1289561235 1547473482 2321210223 2579122470 3868683705 4642420446 7737367410 11606051115 23212102230