Search a number
-
+
789980942467 is a prime number
BaseRepresentation
bin10110111111011101000…
…10001001000010000011
32210112002010111212211201
423133232202021002003
5100420340110124332
61402525013122031
7111034315134523
oct13375642110203
92715063455751
10789980942467
11285035713562
1210912b029317
1359658348a72
142a341881683
151583891c5e7
hexb7ee889083

789980942467 has 2 divisors, whose sum is σ = 789980942468. Its totient is φ = 789980942466.

The previous prime is 789980942423. The next prime is 789980942483. The reversal of 789980942467 is 764249089987.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-789980942467 is a prime.

It is a super-2 number, since 2×7899809424672 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 789980942467.

It is not a weakly prime, because it can be changed into another prime (789980942497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394990471233 + 394990471234.

It is an arithmetic number, because the mean of its divisors is an integer number (394990471234).

Almost surely, 2789980942467 is an apocalyptic number.

789980942467 is a deficient number, since it is larger than the sum of its proper divisors (1).

789980942467 is an equidigital number, since it uses as much as digits as its factorization.

789980942467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 438939648, while the sum is 73.

The spelling of 789980942467 in words is "seven hundred eighty-nine billion, nine hundred eighty million, nine hundred forty-two thousand, four hundred sixty-seven".