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12379000249 = 711929173053
BaseRepresentation
bin10111000011101100…
…01000110110111001
31011221201021100221201
423201312020312321
5200323011001444
65404204534201
7615522523510
oct134166106671
934851240851
1012379000249
115282694120
122495851361
131223832925
148560b7677
154c6b86dd4
hex2e1d88db9

12379000249 has 16 divisors (see below), whose sum is σ = 15450261120. Its totient is φ = 9635535360.

The previous prime is 12379000229. The next prime is 12379000267. The reversal of 12379000249 is 94200097321.

It is not a de Polignac number, because 12379000249 - 213 = 12378992057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12379000219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14994 + ... + 158059.

It is an arithmetic number, because the mean of its divisors is an integer number (965641320).

Almost surely, 212379000249 is an apocalyptic number.

It is an amenable number.

12379000249 is a deficient number, since it is larger than the sum of its proper divisors (3071260871).

12379000249 is a wasteful number, since it uses less digits than its factorization.

12379000249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174000.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 12379000249 in words is "twelve billion, three hundred seventy-nine million, two hundred forty-nine", and thus it is an aban number.

Divisors: 1 7 11 77 929 6503 10219 71533 173053 1211371 1903583 13325081 160766237 1125363659 1768428607 12379000249