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12108766272 = 263193319289
BaseRepresentation
bin10110100011011110…
…10001110001000000
31011020212210001121220
423101233101301000
5144244321010042
65321312515040
7606031546401
oct132157216100
934225701556
1012108766272
1151540a0359
12241b24ba80
1311ac857475
1482c2519a8
154ad0a78ec
hex2d1bd1c40

12108766272 has 56 divisors (see below), whose sum is σ = 33723986400. Its totient is φ = 3823819776.

The previous prime is 12108766249. The next prime is 12108766279. The reversal of 12108766272 is 27266780121.

It is not an unprimeable number, because it can be changed into a prime (12108766279) 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, 1655997 + ... + 1663292.

Almost surely, 212108766272 is an apocalyptic number.

12108766272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12108766272 is an abundant number, since it is smaller than the sum of its proper divisors (21615220128).

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

12108766272 is a wasteful number, since it uses less digits than its factorization.

12108766272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319323 (or 3319313 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 12108766272 in words is "twelve billion, one hundred eight million, seven hundred sixty-six thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 76 96 114 152 192 228 304 456 608 912 1216 1824 3648 3319289 6638578 9957867 13277156 19915734 26554312 39831468 53108624 63066491 79662936 106217248 126132982 159325872 189199473 212434496 252265964 318651744 378398946 504531928 637303488 756797892 1009063856 1513595784 2018127712 3027191568 4036255424 6054383136 12108766272