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12308541007 = 71997388037
BaseRepresentation
bin10110111011010010…
…10110111001001111
31011202210200200001011
423131221112321033
5200201441303012
65353210430051
7614005605130
oct133551267117
934683620034
1012308541007
11524693a044
122476132327
131212063079
1484a9b5c87
154c08ba1a7
hex2dda56e4f

12308541007 has 8 divisors (see below), whose sum is σ = 14067768096. Its totient is φ = 10549529952.

The previous prime is 12308540999. The next prime is 12308541013. The reversal of 12308541007 is 70014580321.

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 12308541007 - 23 = 12308540999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12308541007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12308541907) 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, 95793 + ... + 183829.

It is an arithmetic number, because the mean of its divisors is an integer number (1758471012).

Almost surely, 212308541007 is an apocalyptic number.

12308541007 is a deficient number, since it is larger than the sum of its proper divisors (1759227089).

12308541007 is an equidigital number, since it uses as much as digits as its factorization.

12308541007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108017.

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 12308541007 in words is "twelve billion, three hundred eight million, five hundred forty-one thousand, seven".

Divisors: 1 7 19973 88037 139811 616259 1758363001 12308541007