Base | Representation |
---|---|
bin | 1010110001000010… |
… | …0001010111110010 |
3 | 21110102001211100220 |
4 | 2230100201113302 |
5 | 21404320342041 |
6 | 1154434553510 |
7 | 131421461250 |
oct | 25420412762 |
9 | 7412054326 |
10 | 2890012146 |
11 | 125337799a |
12 | 687a38896 |
13 | 370984878 |
14 | 1d5b755d0 |
15 | 11dab9d66 |
hex | ac4215f2 |
2890012146 has 32 divisors (see below), whose sum is σ = 6892950528. Its totient is φ = 789816720.
The previous prime is 2890012133. The next prime is 2890012171. The reversal of 2890012146 is 6412100982.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1494900 + ... + 1496831.
It is an arithmetic number, because the mean of its divisors is an integer number (215404704).
Almost surely, 22890012146 is an apocalyptic number.
2890012146 is an abundant number, since it is smaller than the sum of its proper divisors (4002938382).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2890012146 is a wasteful number, since it uses less digits than its factorization.
2890012146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2991766.
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 2890012146 is about 53758.8331904628. The cubic root of 2890012146 is about 1424.4041248876.
The spelling of 2890012146 in words is "two billion, eight hundred ninety million, twelve thousand, one hundred forty-six".
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