Base | Representation |
---|---|
bin | 1110110011110110000… |
… | …10110110011111001001 |
3 | 1210122111001121002101121 |
4 | 13121323002312133021 |
5 | 31314131321022321 |
6 | 1025434420315241 |
7 | 51523166522425 |
oct | 7317302663711 |
9 | 1718431532347 |
10 | 508870485961 |
11 | 1868a1139932 |
12 | 82757842b21 |
13 | 38ca8b22836 |
14 | 1a8b5363b85 |
15 | d38477a441 |
hex | 767b0b67c9 |
508870485961 has 2 divisors, whose sum is σ = 508870485962. Its totient is φ = 508870485960.
The previous prime is 508870485923. The next prime is 508870486001. The reversal of 508870485961 is 169584078805.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 507861470736 + 1009015225 = 712644^2 + 31765^2 .
It is a cyclic number.
It is not a de Polignac number, because 508870485961 - 223 = 508862097353 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 508870485961.
It is not a weakly prime, because it can be changed into another prime (508870485911) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254435242980 + 254435242981.
It is an arithmetic number, because the mean of its divisors is an integer number (254435242981).
Almost surely, 2508870485961 is an apocalyptic number.
It is an amenable number.
508870485961 is a deficient number, since it is larger than the sum of its proper divisors (1).
508870485961 is an equidigital number, since it uses as much as digits as its factorization.
508870485961 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 19353600, while the sum is 61.
The spelling of 508870485961 in words is "five hundred eight billion, eight hundred seventy million, four hundred eighty-five thousand, nine hundred sixty-one".
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