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12621875332 = 22111971337631
BaseRepresentation
bin10111100000101001…
…01000100010000100
31012120122021200221011
423300110220202010
5201322200002312
65444242332004
7624532112233
oct136024504204
935518250834
1012621875332
1153977a0830
12254305a004
131261c4c2b1
1487a45ab1a
154dd15eda7
hex2f0528884

12621875332 has 96 divisors (see below), whose sum is σ = 25838991360. Its totient is φ = 5334336000.

The previous prime is 12621875327. The next prime is 12621875353. The reversal of 12621875332 is 23357812621.

It is a super-2 number, since 2×126218753322 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20002657 + ... + 20003287.

It is an arithmetic number, because the mean of its divisors is an integer number (269156160).

Almost surely, 212621875332 is an apocalyptic number.

It is an amenable number.

12621875332 is an abundant number, since it is smaller than the sum of its proper divisors (13217116028).

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

12621875332 is a wasteful number, since it uses less digits than its factorization.

12621875332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073 (or 1071 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The spelling of 12621875332 in words is "twelve billion, six hundred twenty-one million, eight hundred seventy-five thousand, three hundred thirty-two".

Divisors: 1 2 4 11 19 22 38 44 71 76 142 209 284 337 418 631 674 781 836 1262 1348 1349 1562 2524 2698 3124 3707 5396 6403 6941 7414 11989 12806 13882 14828 14839 23927 23978 25612 27764 29678 44801 47854 47956 59356 70433 89602 95708 131879 140866 179204 212647 263197 263758 281732 425294 454613 492811 526394 527516 850588 851219 909226 985622 1052788 1702438 1818452 1971244 2339117 3404876 4040293 4678234 5000743 8080586 9356468 9363409 10001486 15097937 16161172 18726818 20002972 30195874 37453636 44443223 60391748 88886446 166077307 177772892 286860803 332154614 573721606 664309228 1147443212 3155468833 6310937666 12621875332