Base | Representation |
---|---|
bin | 1011001000111001… |
… | …1101001101000001 |
3 | 21201101110112211201 |
4 | 2302032131031001 |
5 | 22110433242311 |
6 | 1212412541201 |
7 | 134045502034 |
oct | 26216351501 |
9 | 7641415751 |
10 | 2990134081 |
11 | 12a4941aa0 |
12 | 6b5481801 |
13 | 38863ba0c |
14 | 20519901b |
15 | 1277959c1 |
hex | b239d341 |
2990134081 has 8 divisors (see below), whose sum is σ = 3286866528. Its totient is φ = 2697552000.
The previous prime is 2990134073. The next prime is 2990134127. The reversal of 2990134081 is 1804310992.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2990134081 - 23 = 2990134073 is a prime.
It is a super-2 number, since 2×29901340812 = 17881803644715429122, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2990134081.
It is not an unprimeable number, because it can be changed into a prime (2990134181) 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, 1036080 + ... + 1038961.
It is an arithmetic number, because the mean of its divisors is an integer number (410858316).
Almost surely, 22990134081 is an apocalyptic number.
It is an amenable number.
2990134081 is a deficient number, since it is larger than the sum of its proper divisors (296732447).
2990134081 is a wasteful number, since it uses less digits than its factorization.
2990134081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2075183.
The product of its (nonzero) digits is 15552, while the sum is 37.
The square root of 2990134081 is about 54682.1184757869. The cubic root of 2990134081 is about 1440.6668209579. Note that the first 3 decimals are identical.
The spelling of 2990134081 in words is "two billion, nine hundred ninety million, one hundred thirty-four thousand, eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •