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12621137098 = 213152319209
BaseRepresentation
bin10111100000100011…
…10100010011001010
31012120120220012021011
423300101310103022
5201322002341343
65444214434134
7624522616033
oct136021642312
935516805234
1012621137098
115397337119
12254296294a
131261a5127b
1487a307a8a
154dd06629d
hex2f04744ca

12621137098 has 16 divisors (see below), whose sum is σ = 19081941120. Its totient is φ = 6260519200.

The previous prime is 12621137077. The next prime is 12621137117. The reversal of 12621137098 is 89073112621.

It is a self number, because there is not a number n which added to its sum of digits gives 12621137098.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1365918 + ... + 1375126.

It is an arithmetic number, because the mean of its divisors is an integer number (1192621320).

Almost surely, 212621137098 is an apocalyptic number.

12621137098 is a deficient number, since it is larger than the sum of its proper divisors (6460804022).

12621137098 is a wasteful number, since it uses less digits than its factorization.

12621137098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14573.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 12621137098 in words is "twelve billion, six hundred twenty-one million, one hundred thirty-seven thousand, ninety-eight".

Divisors: 1 2 131 262 5231 9209 10462 18418 685261 1206379 1370522 2412758 48172279 96344558 6310568549 12621137098