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12207263531 = 53631365017
BaseRepresentation
bin10110101111001110…
…00000111100101011
31011111202010020110112
423113213000330223
5200000024413111
65335152004535
7611336012411
oct132747007453
934452106415
1012207263531
1151a4755851
12244823074b
1311c7092c78
1483b3712b1
154b6a61e8b
hex2d79c0f2b

12207263531 has 8 divisors (see below), whose sum is σ = 12457334304. Its totient is φ = 11957924160.

The previous prime is 12207263527. The next prime is 12207263609. The reversal of 12207263531 is 13536270221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12207263531 - 22 = 12207263527 is a prime.

It is a super-2 number, since 2×122072635312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12207269531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149066 + ... + 215951.

It is an arithmetic number, because the mean of its divisors is an integer number (1557166788).

Almost surely, 212207263531 is an apocalyptic number.

12207263531 is a deficient number, since it is larger than the sum of its proper divisors (250070773).

12207263531 is an equidigital number, since it uses as much as digits as its factorization.

12207263531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365701.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 12207263531 in words is "twelve billion, two hundred seven million, two hundred sixty-three thousand, five hundred thirty-one".

Divisors: 1 53 631 33443 365017 19345901 230325727 12207263531