Search a number
-
+
12451893211 is a prime number
BaseRepresentation
bin10111001100011000…
…01100111111011011
31012010210102201022001
423212030030333123
5201000141040321
65415331141431
7620366226442
oct134614147733
935123381261
1012451893211
11530a85073a
1224b6144877
131235975164
14861a4dd59
154cd284c91
hex2e630cfdb

12451893211 has 2 divisors, whose sum is σ = 12451893212. Its totient is φ = 12451893210.

The previous prime is 12451893169. The next prime is 12451893239. The reversal of 12451893211 is 11239815421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12451893211 - 229 = 11915022299 is a prime.

It is not a weakly prime, because it can be changed into another prime (12451893271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6225946605 + 6225946606.

It is an arithmetic number, because the mean of its divisors is an integer number (6225946606).

Almost surely, 212451893211 is an apocalyptic number.

12451893211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12451893211 is an equidigital number, since it uses as much as digits as its factorization.

12451893211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 37.

The spelling of 12451893211 in words is "twelve billion, four hundred fifty-one million, eight hundred ninety-three thousand, two hundred eleven".