Base | Representation |
---|---|
bin | 1011000110110000… |
… | …0111111011101001 |
3 | 21200202112022010111 |
4 | 2301230013323221 |
5 | 22101132242212 |
6 | 1211452014321 |
7 | 133606135636 |
oct | 26154077351 |
9 | 7622468114 |
10 | 2981134057 |
11 | 129a855160 |
12 | 6b24613a1 |
13 | 38680a365 |
14 | 203cd518d |
15 | 126ab8ea7 |
hex | b1b07ee9 |
2981134057 has 8 divisors (see below), whose sum is σ = 3327778080. Its totient is φ = 2647095360.
The previous prime is 2981134049. The next prime is 2981134061. The reversal of 2981134057 is 7504311892.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2981134057 - 23 = 2981134049 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2921134057) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3150832 + ... + 3151777.
It is an arithmetic number, because the mean of its divisors is an integer number (415972260).
Almost surely, 22981134057 is an apocalyptic number.
It is an amenable number.
2981134057 is a deficient number, since it is larger than the sum of its proper divisors (346644023).
2981134057 is a wasteful number, since it uses less digits than its factorization.
2981134057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6302663.
The product of its (nonzero) digits is 60480, while the sum is 40.
The square root of 2981134057 is about 54599.7624262231. The cubic root of 2981134057 is about 1439.2199441889.
The spelling of 2981134057 in words is "two billion, nine hundred eighty-one million, one hundred thirty-four thousand, fifty-seven".
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