Search a number
-
+
12452451619 is a prime number
BaseRepresentation
bin10111001100011100…
…10101010100100011
31012010211111002021211
423212032111110203
5201000311422434
65415351130551
7620404043446
oct134616252443
935124432254
1012452451619
1153100a2233
1224b6373a57
131235b0c38a
14861b5765d
154cd345464
hex2e6395523

12452451619 has 2 divisors, whose sum is σ = 12452451620. Its totient is φ = 12452451618.

The previous prime is 12452451593. The next prime is 12452451679. The reversal of 12452451619 is 91615425421.

12452451619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12452451619 - 225 = 12418897187 is a prime.

It is a super-2 number, since 2×124524516192 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12452451679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226225809 + 6226225810.

It is an arithmetic number, because the mean of its divisors is an integer number (6226225810).

Almost surely, 212452451619 is an apocalyptic number.

12452451619 is a deficient number, since it is larger than the sum of its proper divisors (1).

12452451619 is an equidigital number, since it uses as much as digits as its factorization.

12452451619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 40.

The spelling of 12452451619 in words is "twelve billion, four hundred fifty-two million, four hundred fifty-one thousand, six hundred nineteen".