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12630426500 = 2253103245251
BaseRepresentation
bin10111100001101010…
…10000001110000100
31012121020101010221002
423300311100032010
5201331342122000
65445145512432
7624664565606
oct136065201604
935536333832
1012630426500
1153a160140a
122545aa2718
131263954563
1487b645176
154ddc9d8d5
hex2f0d50384

12630426500 has 48 divisors (see below), whose sum is σ = 27852779136. Its totient is φ = 5003100000.

The previous prime is 12630426499. The next prime is 12630426511. The reversal of 12630426500 is 562403621.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71126 + ... + 174125.

It is an arithmetic number, because the mean of its divisors is an integer number (580266232).

Almost surely, 212630426500 is an apocalyptic number.

12630426500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12630426500 is an abundant number, since it is smaller than the sum of its proper divisors (15222352636).

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

12630426500 is a wasteful number, since it uses less digits than its factorization.

12630426500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245373 (or 245361 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 12630426500 in words is "twelve billion, six hundred thirty million, four hundred twenty-six thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 103 125 206 250 412 500 515 1030 2060 2575 5150 10300 12875 25750 51500 245251 490502 981004 1226255 2452510 4905020 6131275 12262550 24525100 25260853 30656375 50521706 61312750 101043412 122625500 126304265 252608530 505217060 631521325 1263042650 2526085300 3157606625 6315213250 12630426500