Base | Representation |
---|---|
bin | 1010110100000010… |
… | …1100110110001000 |
3 | 21111021211111100100 |
4 | 2231000230312020 |
5 | 21421034021211 |
6 | 1200005405400 |
7 | 131634023166 |
oct | 25500546610 |
9 | 7437744310 |
10 | 2902642056 |
11 | 125a513a36 |
12 | 690109860 |
13 | 3734874a2 |
14 | 1d7702236 |
15 | 11ec62156 |
hex | ad02cd88 |
2902642056 has 48 divisors (see below), whose sum is σ = 7990208460. Its totient is φ = 951684480.
The previous prime is 2902642051. The next prime is 2902642069. The reversal of 2902642056 is 6502462092.
2902642056 is a `hidden beast` number, since 2 + 9 + 0 + 2 + 642 + 0 + 5 + 6 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 2886912900 + 15729156 = 53730^2 + 3966^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 2902642056.
It is not an unprimeable number, because it can be changed into a prime (2902642051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 326055 + ... + 334838.
Almost surely, 22902642056 is an apocalyptic number.
It is an amenable number.
2902642056 is an abundant number, since it is smaller than the sum of its proper divisors (5087566404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2902642056 is a wasteful number, since it uses less digits than its factorization.
2902642056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 660966 (or 660959 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The square root of 2902642056 is about 53876.1733607724. The cubic root of 2902642056 is about 1426.4760830325.
The spelling of 2902642056 in words is "two billion, nine hundred two million, six hundred forty-two thousand, fifty-six".
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