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12406653513620 = 22517225116210643
BaseRepresentation
bin1011010010001010011000…
…1011001110111110010100
31121221001202000101222121122
42310202212023032332110
53111232311244413440
642215312110103112
72420231303601302
oct264424613167624
947831660358548
1012406653513620
113a536a5516493
1214845ab1aaa98
136bcc3360b022
1430c6b16a7272
15167ad39e07b5
hexb48a62cef94

12406653513620 has 48 divisors (see below), whose sum is σ = 27598815937728. Its totient is φ = 4668664896000.

The previous prime is 12406653513557. The next prime is 12406653513623. The reversal of 12406653513620 is 2631535660421.

12406653513620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12406653513623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7339982 + ... + 8870661.

It is an arithmetic number, because the mean of its divisors is an integer number (574975332036).

Almost surely, 212406653513620 is an apocalyptic number.

12406653513620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12406653513620 is an abundant number, since it is smaller than the sum of its proper divisors (15192162424108).

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

12406653513620 is a wasteful number, since it uses less digits than its factorization.

12406653513620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16212920 (or 16212918 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 12406653513620 in words is "twelve trillion, four hundred six billion, six hundred fifty-three million, five hundred thirteen thousand, six hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 2251 4502 9004 11255 22510 38267 45020 76534 153068 191335 382670 765340 16210643 32421286 64842572 81053215 162106430 275580931 324212860 551161862 1102323724 1377904655 2755809310 5511618620 36490157393 72980314786 145960629572 182450786965 364901573930 620332675681 729803147860 1240665351362 2481330702724 3101663378405 6203326756810 12406653513620