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12279998010 = 2357530311027
BaseRepresentation
bin10110110111111000…
…11110011000111010
31011200210222112102010
423123330132120322
5200122134414020
65350310550350
7613211155320
oct133374363072
934623875363
1012279998010
115231814295
1224686683b6
13120917b317
14846ca5d10
154bd12cde0
hex2dbf1e63a

12279998010 has 64 divisors (see below), whose sum is σ = 33691686912. Its totient is φ = 2806072896.

The previous prime is 12279997987. The next prime is 12279998063. The reversal of 12279998010 is 1089997221.

It is a super-2 number, since 2×122799980102 (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, 1108117 + ... + 1119143.

It is an arithmetic number, because the mean of its divisors is an integer number (526432608).

Almost surely, 212279998010 is an apocalyptic number.

12279998010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12279998010 is an abundant number, since it is smaller than the sum of its proper divisors (21411688902).

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

12279998010 is a wasteful number, since it uses less digits than its factorization.

12279998010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16347.

The product of its (nonzero) digits is 163296, while the sum is 48.

The spelling of 12279998010 in words is "twelve billion, two hundred seventy-nine million, nine hundred ninety-eight thousand, ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 5303 10606 11027 15909 22054 26515 31818 33081 37121 53030 55135 66162 74242 77189 79545 110270 111363 154378 159090 165405 185605 222726 231567 330810 371210 385945 463134 556815 771890 1113630 1157835 2315670 58476181 116952362 175428543 292380905 350857086 409333267 584761810 818666534 877142715 1227999801 1754285430 2046666335 2455999602 4093332670 6139999005 12279998010