Base | Representation |
---|---|
bin | 1011000110110010… |
… | …0010110010001101 |
3 | 21200202201220000010 |
4 | 2301230202302031 |
5 | 22101144302140 |
6 | 1211454223433 |
7 | 133610104413 |
oct | 26154426215 |
9 | 7622656003 |
10 | 2981244045 |
11 | 129a91a85a |
12 | 6b24b4b79 |
13 | 386848440 |
14 | 203d232b3 |
15 | 126adb880 |
hex | b1b22c8d |
2981244045 has 16 divisors (see below), whose sum is σ = 5136913152. Its totient is φ = 1467689280.
The previous prime is 2981244023. The next prime is 2981244089. The reversal of 2981244045 is 5404421892.
It is not a de Polignac number, because 2981244045 - 29 = 2981243533 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a junction number, because it is equal to n+sod(n) for n = 2981243994 and 2981244012.
It is a congruent number.
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, 7644021 + ... + 7644410.
It is an arithmetic number, because the mean of its divisors is an integer number (321057072).
Almost surely, 22981244045 is an apocalyptic number.
It is an amenable number.
2981244045 is a deficient number, since it is larger than the sum of its proper divisors (2155669107).
2981244045 is a wasteful number, since it uses less digits than its factorization.
2981244045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15288452.
The product of its (nonzero) digits is 92160, while the sum is 39.
The square root of 2981244045 is about 54600.7696374328. The cubic root of 2981244045 is about 1439.2376438264.
The spelling of 2981244045 in words is "two billion, nine hundred eighty-one million, two hundred forty-four thousand, forty-five".
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