Base | Representation |
---|---|
bin | 1001010001110000… |
… | …0110100111110001 |
3 | 20102120010011212100 |
4 | 2110130012213301 |
5 | 20100020120441 |
6 | 1051041451013 |
7 | 115500003114 |
oct | 22434064761 |
9 | 6376104770 |
10 | 2490395121 |
11 | 1068843795 |
12 | 596040a69 |
13 | 308c486a6 |
14 | 198a7057b |
15 | e897ecb6 |
hex | 947069f1 |
2490395121 has 12 divisors (see below), whose sum is σ = 3600455248. Its totient is φ = 1658778264.
The previous prime is 2490395069. The next prime is 2490395153. The reversal of 2490395121 is 1215930942.
2490395121 is a `hidden beast` number, since 24 + 90 + 39 + 512 + 1 = 666.
It is not a de Polignac number, because 2490395121 - 213 = 2490386929 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2490395191) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113095 + ... + 133308.
Almost surely, 22490395121 is an apocalyptic number.
It is an amenable number.
2490395121 is a deficient number, since it is larger than the sum of its proper divisors (1110060127).
2490395121 is a wasteful number, since it uses less digits than its factorization.
2490395121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 247532 (or 247529 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 36.
The square root of 2490395121 is about 49903.8587786556. The cubic root of 2490395121 is about 1355.4684674383.
The spelling of 2490395121 in words is "two billion, four hundred ninety million, three hundred ninety-five thousand, one hundred twenty-one".
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