Search a number
-
+
490348692997 is a prime number
BaseRepresentation
bin1110010001010110000…
…11110100011000000101
31201212200020120111222121
413020223003310120011
531013213231133442
61013132454125541
750266204056142
oct7105303643005
91655606514877
10490348692997
11179a57065719
127b0489508b1
1337316779927
1419a3950b3c9
15cb4d6a1967
hex722b0f4605

490348692997 has 2 divisors, whose sum is σ = 490348692998. Its totient is φ = 490348692996.

The previous prime is 490348692973. The next prime is 490348693019. The reversal of 490348692997 is 799296843094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 474933235716 + 15415457281 = 689154^2 + 124159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-490348692997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490348692497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245174346498 + 245174346499.

It is an arithmetic number, because the mean of its divisors is an integer number (245174346499).

Almost surely, 2490348692997 is an apocalyptic number.

It is an amenable number.

490348692997 is a deficient number, since it is larger than the sum of its proper divisors (1).

490348692997 is an equidigital number, since it uses as much as digits as its factorization.

490348692997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211631616, while the sum is 70.

The spelling of 490348692997 in words is "four hundred ninety billion, three hundred forty-eight million, six hundred ninety-two thousand, nine hundred ninety-seven".