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23212204120 = 2357413475827
BaseRepresentation
bin10101100111100011…
…100010000001011000
32012220200212010220201
4111213203202001120
5340014311012440
614355154031544
71451135323330
oct254743420130
965820763821
1023212204120
119931758576
1245b98785b4
13225c02a331
1411a2b6a0c0
1590cc7a19a
hex5678e2058

23212204120 has 128 divisors (see below), whose sum is σ = 61331074560. Its totient is φ = 7740656640.

The previous prime is 23212204097. The next prime is 23212204123. The reversal of 23212204120 is 2140221232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212204123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3980647 + ... + 3986473.

It is an arithmetic number, because the mean of its divisors is an integer number (479149020).

Almost surely, 223212204120 is an apocalyptic number.

23212204120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23212204120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30665537280).

23212204120 is an abundant number, since it is smaller than the sum of its proper divisors (38118870440).

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

23212204120 is a wasteful number, since it uses less digits than its factorization.

23212204120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6233 (or 6229 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 23212204120 its reverse (2140221232), we get a palindrome (25352425352).

The spelling of 23212204120 in words is "twenty-three billion, two hundred twelve million, two hundred four thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 41 56 70 82 140 164 205 280 287 328 347 410 574 694 820 1148 1388 1435 1640 1735 2296 2429 2776 2870 3470 4858 5740 5827 6940 9716 11480 11654 12145 13880 14227 19432 23308 24290 28454 29135 40789 46616 48580 56908 58270 71135 81578 97160 99589 113816 116540 142270 163156 199178 203945 233080 238907 284540 326312 398356 407890 477814 497945 569080 796712 815780 955628 995890 1194535 1631560 1672349 1911256 1991780 2021969 2389070 3344698 3983560 4043938 4778140 6689396 8087876 8361745 9556280 10109845 13378792 14153783 16175752 16723490 20219690 28307566 33446980 40439380 56615132 66893960 70768915 80878760 82900729 113230264 141537830 165801458 283075660 331602916 414503645 566151320 580305103 663205832 829007290 1160610206 1658014580 2321220412 2901525515 3316029160 4642440824 5803051030 11606102060 23212204120