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12372707319 = 37318166431
BaseRepresentation
bin10111000010111100…
…01000011111110111
31011221021102122200020
423201132020133313
5200314403113234
65403422020223
7615415164000
oct134136103767
934837378606
1012372707319
11527a086155
122493717673
13122243b4bb
1485531a1a7
154c6342549
hex2e17887f7

12372707319 has 32 divisors (see below), whose sum is σ = 19344998400. Its totient is φ = 7030951200.

The previous prime is 12372707317. The next prime is 12372707339. The reversal of 12372707319 is 91370727321.

It is not a de Polignac number, because 12372707319 - 21 = 12372707317 is a prime.

It is a super-2 number, since 2×123727073192 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12372707311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153034 + ... + 219464.

It is an arithmetic number, because the mean of its divisors is an integer number (604531200).

Almost surely, 212372707319 is an apocalyptic number.

12372707319 is a deficient number, since it is larger than the sum of its proper divisors (6972291081).

12372707319 is an equidigital number, since it uses as much as digits as its factorization.

12372707319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66636 (or 66622 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 42.

The spelling of 12372707319 in words is "twelve billion, three hundred seventy-two million, seven hundred seven thousand, three hundred nineteen".

Divisors: 1 3 7 21 49 147 181 343 543 1029 1267 3801 8869 26607 62083 66431 186249 199293 465017 1395051 3255119 9765357 12024011 22785833 36072033 68357499 84168077 252504231 589176539 1767529617 4124235773 12372707319