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12231244392148 = 2217179871241061
BaseRepresentation
bin1011000111111100111011…
…1110100010011011010100
31121022021222110012100210001
42301333032332202123110
53100344042031022043
642002542303541044
72401451431633555
oct261771676423324
947267873170701
1012231244392148
1139962726562a1
1214565b6bba784
136a952ab3c062
14303dd14b232c
1516326937774d
hexb1fcefa26d4

12231244392148 has 12 divisors (see below), whose sum is σ = 22663776373812. Its totient is φ = 5755879713920.

The previous prime is 12231244392079. The next prime is 12231244392149. The reversal of 12231244392148 is 84129344213221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7828289176464 + 4402955215684 = 2797908^2 + 2098322^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12231244392098 and 12231244392107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231244392149) 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, 89935620463 + ... + 89935620598.

It is an arithmetic number, because the mean of its divisors is an integer number (1888648031151).

Almost surely, 212231244392148 is an apocalyptic number.

It is an amenable number.

12231244392148 is a deficient number, since it is larger than the sum of its proper divisors (10432531981664).

12231244392148 is a wasteful number, since it uses less digits than its factorization.

12231244392148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179871241082 (or 179871241080 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The spelling of 12231244392148 in words is "twelve trillion, two hundred thirty-one billion, two hundred forty-four million, three hundred ninety-two thousand, one hundred forty-eight".

Divisors: 1 2 4 17 34 68 179871241061 359742482122 719484964244 3057811098037 6115622196074 12231244392148