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12347272725 = 3522910156207
BaseRepresentation
bin10110111111111010…
…00110111000010101
31011212111120102222020
423133331012320111
5200241400211400
65401112523353
7614656041444
oct133775067025
934774512866
1012347272725
115266793827
1224870b0559
13121a0a4548
14851bb8d5b
154c3ebb2a0
hex2dff46e15

12347272725 has 48 divisors (see below), whose sum is σ = 21327563520. Its totient is φ = 6295072000.

The previous prime is 12347272709. The next prime is 12347272741. The reversal of 12347272725 is 52727274321.

It is an interprime number because it is at equal distance from previous prime (12347272709) and next prime (12347272741).

It is not a de Polignac number, because 12347272725 - 24 = 12347272709 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 191572 + ... + 247778.

It is an arithmetic number, because the mean of its divisors is an integer number (444324240).

Almost surely, 212347272725 is an apocalyptic number.

12347272725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12347272725 is a deficient number, since it is larger than the sum of its proper divisors (8980290795).

12347272725 is a wasteful number, since it uses less digits than its factorization.

12347272725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56350 (or 56345 counting only the distinct ones).

The product of its digits is 329280, while the sum is 42.

The spelling of 12347272725 in words is "twelve billion, three hundred forty-seven million, two hundred seventy-two thousand, seven hundred twenty-five".

Divisors: 1 3 5 15 25 29 75 87 101 145 303 435 505 725 1515 2175 2525 2929 7575 8787 14645 43935 56207 73225 168621 219675 281035 843105 1405175 1630003 4215525 4890009 5676907 8150015 17030721 24450045 28384535 40750075 85153605 122250225 141922675 164630303 425768025 493890909 823151515 2469454545 4115757575 12347272725