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12344157425 = 523847128351
BaseRepresentation
bin10110111111100010…
…01110010011110001
31011212021201011120202
423133301032103301
5200240101014200
65400522044545
7614620415105
oct133761162361
934767634522
1012344157425
115264a561a6
122486049755
131219553582
14851607905
154c3aa31d5
hex2dfc4e4f1

12344157425 has 12 divisors (see below), whose sum is σ = 15310853376. Its totient is φ = 9872682000.

The previous prime is 12344157421. The next prime is 12344157479. The reversal of 12344157425 is 52475144321.

It is not a de Polignac number, because 12344157425 - 22 = 12344157421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12344157421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32000 + ... + 160350.

It is an arithmetic number, because the mean of its divisors is an integer number (1275904448).

Almost surely, 212344157425 is an apocalyptic number.

It is an amenable number.

12344157425 is a deficient number, since it is larger than the sum of its proper divisors (2966695951).

12344157425 is a wasteful number, since it uses less digits than its factorization.

12344157425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132208 (or 132203 counting only the distinct ones).

The product of its digits is 134400, while the sum is 38.

The spelling of 12344157425 in words is "twelve billion, three hundred forty-four million, one hundred fifty-seven thousand, four hundred twenty-five".

Divisors: 1 5 25 3847 19235 96175 128351 641755 3208775 493766297 2468831485 12344157425