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12280376210 = 251964633559
BaseRepresentation
bin10110110111111011…
…11010101110010010
31011200211200202012112
423123331322232102
5200122234014320
65350323025322
7613214322044
oct133375725622
934624622175
1012280376210
115231a52453
12246880b242
1312092814cb
14846d63a94
154bd1a4ec5
hex2dbf7ab92

12280376210 has 16 divisors (see below), whose sum is σ = 23268081600. Its totient is φ = 4653616176.

The previous prime is 12280376203. The next prime is 12280376219. The reversal of 12280376210 is 1267308221.

It is not an unprimeable number, because it can be changed into a prime (12280376219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32316590 + ... + 32316969.

It is an arithmetic number, because the mean of its divisors is an integer number (1454255100).

Almost surely, 212280376210 is an apocalyptic number.

12280376210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12280376210 is a deficient number, since it is larger than the sum of its proper divisors (10987705390).

12280376210 is a wasteful number, since it uses less digits than its factorization.

12280376210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64633585.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 12280376210 in words is "twelve billion, two hundred eighty million, three hundred seventy-six thousand, two hundred ten".

Divisors: 1 2 5 10 19 38 95 190 64633559 129267118 323167795 646335590 1228037621 2456075242 6140188105 12280376210