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12090245339 = 79411152249
BaseRepresentation
bin10110100001010001…
…01000000011011011
31011012120221002200102
423100220220003123
5144230100322324
65315411530015
7605415250454
oct132050500333
934176832612
1012090245339
1151446a02a7
122414bb990b
1311a8a71333
148299d012b
154ab649dae
hex2d0a280db

12090245339 has 4 divisors (see below), whose sum is σ = 12090477000. Its totient is φ = 12090013680.

The previous prime is 12090245333. The next prime is 12090245359. The reversal of 12090245339 is 93354209021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12090245339 is a prime.

It is a super-2 number, since 2×120902453392 (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 (12090245333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3287 + ... + 155535.

It is an arithmetic number, because the mean of its divisors is an integer number (3022619250).

Almost surely, 212090245339 is an apocalyptic number.

12090245339 is a deficient number, since it is larger than the sum of its proper divisors (231661).

12090245339 is an equidigital number, since it uses as much as digits as its factorization.

12090245339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231660.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 12090245339 in words is "twelve billion, ninety million, two hundred forty-five thousand, three hundred thirty-nine".

Divisors: 1 79411 152249 12090245339