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12152023397 is a prime number
BaseRepresentation
bin10110101000101000…
…10010100101100101
31011100220011202020122
423110110102211211
5144341404222042
65325500011325
7610065331433
oct132424224545
934326152218
1012152023397
115176556048
122431830b45
1311b87c16b7
14833cb1d53
154b1c9e7d2
hex2d4512965

12152023397 has 2 divisors, whose sum is σ = 12152023398. Its totient is φ = 12152023396.

The previous prime is 12152023379. The next prime is 12152023423. The reversal of 12152023397 is 79332025121.

Together with previous prime (12152023379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10187672356 + 1964351041 = 100934^2 + 44321^2 .

It is a cyclic number.

It is not a de Polignac number, because 12152023397 - 216 = 12151957861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12152023307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6076011698 + 6076011699.

It is an arithmetic number, because the mean of its divisors is an integer number (6076011699).

Almost surely, 212152023397 is an apocalyptic number.

It is an amenable number.

12152023397 is a deficient number, since it is larger than the sum of its proper divisors (1).

12152023397 is an equidigital number, since it uses as much as digits as its factorization.

12152023397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 12152023397 in words is "twelve billion, one hundred fifty-two million, twenty-three thousand, three hundred ninety-seven".