Search a number
-
+
90974568103 is a prime number
BaseRepresentation
bin101010010111010000…
…0011011111010100111
322200211011200220020021
41110232200123322213
52442303442134403
6105443152420011
76400302032656
oct1245640337247
9280734626207
1090974568103
1135644854581
121576b247607
13876a9c67b3
14459050919d
152576bd78bd
hex152e81bea7

90974568103 has 2 divisors, whose sum is σ = 90974568104. Its totient is φ = 90974568102.

The previous prime is 90974568011. The next prime is 90974568109. The reversal of 90974568103 is 30186547909.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90974568103 - 29 = 90974567591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90974568109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45487284051 + 45487284052.

It is an arithmetic number, because the mean of its divisors is an integer number (45487284052).

Almost surely, 290974568103 is an apocalyptic number.

90974568103 is a deficient number, since it is larger than the sum of its proper divisors (1).

90974568103 is an equidigital number, since it uses as much as digits as its factorization.

90974568103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 90974568103 in words is "ninety billion, nine hundred seventy-four million, five hundred sixty-eight thousand, one hundred three".