Search a number
-
+
12507999983 is a prime number
BaseRepresentation
bin10111010011000100…
…01110111011101111
31012021201000020022122
423221202032323233
5201104021444413
65425053503155
7621650150153
oct135142167357
935251006278
1012507999983
115339492576
122510aa1abb
13124448b02b
14869297063
154d3169108
hex2e988eeef

12507999983 has 2 divisors, whose sum is σ = 12507999984. Its totient is φ = 12507999982.

The previous prime is 12507999949. The next prime is 12508000007. The reversal of 12507999983 is 38999970521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12507999983 - 216 = 12507934447 is a prime.

It is a super-3 number, since 3×125079999833 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12507959983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6253999991 + 6253999992.

It is an arithmetic number, because the mean of its divisors is an integer number (6253999992).

Almost surely, 212507999983 is an apocalyptic number.

12507999983 is a deficient number, since it is larger than the sum of its proper divisors (1).

12507999983 is an equidigital number, since it uses as much as digits as its factorization.

12507999983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11022480, while the sum is 62.

The spelling of 12507999983 in words is "twelve billion, five hundred seven million, nine hundred ninety-nine thousand, nine hundred eighty-three".