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12412951457 is a prime number
BaseRepresentation
bin10111000111101111…
…01001101110100001
31012001002011021020212
423203313221232201
5200410203421312
65411420343505
7616414226564
oct134367515641
935032137225
1012412951457
11529a873175
1224a50a4b95
13122a88c1ba
1485a7d44db
154c9b41822
hex2e3de9ba1

12412951457 has 2 divisors, whose sum is σ = 12412951458. Its totient is φ = 12412951456.

The previous prime is 12412951379. The next prime is 12412951547. The reversal of 12412951457 is 75415921421.

Together with next prime (12412951547) 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., 12138750976 + 274200481 = 110176^2 + 16559^2 .

It is a cyclic number.

It is not a de Polignac number, because 12412951457 - 218 = 12412689313 is a prime.

It is not a weakly prime, because it can be changed into another prime (12412951157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6206475728 + 6206475729.

It is an arithmetic number, because the mean of its divisors is an integer number (6206475729).

Almost surely, 212412951457 is an apocalyptic number.

It is an amenable number.

12412951457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12412951457 is an equidigital number, since it uses as much as digits as its factorization.

12412951457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 41.

The spelling of 12412951457 in words is "twelve billion, four hundred twelve million, nine hundred fifty-one thousand, four hundred fifty-seven".