Base | Representation |
---|---|
bin | 1110010001010110000… |
… | …11110100011000000101 |
3 | 1201212200020120111222121 |
4 | 13020223003310120011 |
5 | 31013213231133442 |
6 | 1013132454125541 |
7 | 50266204056142 |
oct | 7105303643005 |
9 | 1655606514877 |
10 | 490348692997 |
11 | 179a57065719 |
12 | 7b0489508b1 |
13 | 37316779927 |
14 | 19a3950b3c9 |
15 | cb4d6a1967 |
hex | 722b0f4605 |
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".
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