Base | Representation |
---|---|
bin | 111100100001001… |
… | …0011001110000101 |
3 | 12020112000111211122 |
4 | 1321002103032011 |
5 | 13124321134044 |
6 | 533255443325 |
7 | 101215131110 |
oct | 17102231605 |
9 | 5215014748 |
10 | 2030646149 |
11 | 952279564 |
12 | 488086545 |
13 | 26491748c |
14 | 153995577 |
15 | bd417dee |
hex | 79093385 |
2030646149 has 16 divisors (see below), whose sum is σ = 2505150720. Its totient is φ = 1607464320.
The previous prime is 2030646143. The next prime is 2030646157. The reversal of 2030646149 is 9416460302.
It is not a de Polignac number, because 2030646149 - 216 = 2030580613 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2030646143) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212792 + ... + 222129.
It is an arithmetic number, because the mean of its divisors is an integer number (156571920).
Almost surely, 22030646149 is an apocalyptic number.
2030646149 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
It is an amenable number.
2030646149 is a deficient number, since it is larger than the sum of its proper divisors (474504571).
2030646149 is a wasteful number, since it uses less digits than its factorization.
2030646149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 434980.
The product of its (nonzero) digits is 31104, while the sum is 35.
The square root of 2030646149 is about 45062.6913199822. The cubic root of 2030646149 is about 1266.3237454513.
The spelling of 2030646149 in words is "two billion, thirty million, six hundred forty-six thousand, one hundred forty-nine".
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