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12461494219 is a prime number
BaseRepresentation
bin10111001101100001…
…10100111111001011
31012011110111111101221
423212300310333023
5201010120303334
65420313022511
7620543644636
oct134660647713
935143444357
1012461494219
115315209059
1224b93b4a37
131237957225
1486302cc1d
154ce02e8b4
hex2e6c34fcb

12461494219 has 2 divisors, whose sum is σ = 12461494220. Its totient is φ = 12461494218.

The previous prime is 12461494211. The next prime is 12461494259. The reversal of 12461494219 is 91249416421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12461494219 - 23 = 12461494211 is a prime.

It is a super-2 number, since 2×124614942192 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12461494211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6230747109 + 6230747110.

It is an arithmetic number, because the mean of its divisors is an integer number (6230747110).

Almost surely, 212461494219 is an apocalyptic number.

12461494219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12461494219 is an equidigital number, since it uses as much as digits as its factorization.

12461494219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 43.

The spelling of 12461494219 in words is "twelve billion, four hundred sixty-one million, four hundred ninety-four thousand, two hundred nineteen".