Base | Representation |
---|---|
bin | 1001010001101100… |
… | …1011001100001101 |
3 | 20102112122210221111 |
4 | 2110123023030031 |
5 | 20044434323233 |
6 | 1051032332021 |
7 | 115464640321 |
oct | 22433131415 |
9 | 6375583844 |
10 | 2490151693 |
11 | 1068697907 |
12 | 595b44011 |
13 | 308b91953 |
14 | 198a09981 |
15 | e8932acd |
hex | 946cb30d |
2490151693 has 2 divisors, whose sum is σ = 2490151694. Its totient is φ = 2490151692.
The previous prime is 2490151679. The next prime is 2490151747. The reversal of 2490151693 is 3961510942.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1486719364 + 1003432329 = 38558^2 + 31677^2 .
It is a cyclic number.
It is not a de Polignac number, because 2490151693 - 213 = 2490143501 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2490151193) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245075846 + 1245075847.
It is an arithmetic number, because the mean of its divisors is an integer number (1245075847).
Almost surely, 22490151693 is an apocalyptic number.
It is an amenable number.
2490151693 is a deficient number, since it is larger than the sum of its proper divisors (1).
2490151693 is an equidigital number, since it uses as much as digits as its factorization.
2490151693 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 58320, while the sum is 40.
The square root of 2490151693 is about 49901.4197493418. The cubic root of 2490151693 is about 1355.4243017921.
The spelling of 2490151693 in words is "two billion, four hundred ninety million, one hundred fifty-one thousand, six hundred ninety-three".
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