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12243003125 = 553917761
BaseRepresentation
bin10110110011011110…
…10110011011110101
31011121020100222222012
423121233112123311
5200033202100000
65342510014005
7612251544443
oct133157263365
934536328865
1012243003125
115212946501
1224581a7305
1312015c7562
14841dd5b93
154b9c71735
hex2d9bd66f5

12243003125 has 12 divisors (see below), whose sum is σ = 15302778372. Its totient is φ = 9794400000.

The previous prime is 12243003049. The next prime is 12243003131. The reversal of 12243003125 is 52130034221.

It can be written as a sum of positive squares in 6 ways, for example, as 8589767761 + 3653235364 = 92681^2 + 60442^2 .

It is not a de Polignac number, because 12243003125 - 212 = 12242999029 is a prime.

It is a super-2 number, since 2×122430031252 (a number of 21 digits) contains 22 as substring.

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 12243003125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1955756 + ... + 1962005.

It is an arithmetic number, because the mean of its divisors is an integer number (1275231531).

Almost surely, 212243003125 is an apocalyptic number.

It is an amenable number.

12243003125 is a deficient number, since it is larger than the sum of its proper divisors (3059775247).

12243003125 is an frugal number, since it uses more digits than its factorization.

12243003125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917786 (or 3917766 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 12243003125 its reverse (52130034221), we get a palindrome (64373037346).

The spelling of 12243003125 in words is "twelve billion, two hundred forty-three million, three thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 3125 3917761 19588805 97944025 489720125 2448600625 12243003125