Search a number
-
+
10390466831 is a prime number
BaseRepresentation
bin10011010110101000…
…11111000100001111
3222211010111101220212
421223110133010033
5132234424414311
64435011433035
7515325340133
oct115324370417
928733441825
1010390466831
114452169578
12201b8b577b
13c97871834
14707d653c3
1540c2dbc8b
hex26b51f10f

10390466831 has 2 divisors, whose sum is σ = 10390466832. Its totient is φ = 10390466830.

The previous prime is 10390466803. The next prime is 10390466833. The reversal of 10390466831 is 13866409301.

It is a strong prime.

It is an emirp because it is prime and its reverse (13866409301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10390466831 is a prime.

It is a super-2 number, since 2×103904668312 (a number of 21 digits) contains 22 as substring.

Together with 10390466833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10390466833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5195233415 + 5195233416.

It is an arithmetic number, because the mean of its divisors is an integer number (5195233416).

Almost surely, 210390466831 is an apocalyptic number.

10390466831 is a deficient number, since it is larger than the sum of its proper divisors (1).

10390466831 is an equidigital number, since it uses as much as digits as its factorization.

10390466831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 10390466831 in words is "ten billion, three hundred ninety million, four hundred sixty-six thousand, eight hundred thirty-one".