Base | Representation |
---|---|
bin | 1011001010100110… |
… | …0101110101100011 |
3 | 21201212211221101102 |
4 | 2302221211311203 |
5 | 22114243403311 |
6 | 1213225225015 |
7 | 134163116261 |
oct | 26251456543 |
9 | 7655757342 |
10 | 2997247331 |
11 | 12a8960311 |
12 | 6b793216b |
13 | 389c5c640 |
14 | 2060cb431 |
15 | 1281ed43b |
hex | b2a65d63 |
2997247331 has 8 divisors (see below), whose sum is σ = 3228234240. Its totient is φ = 2766321792.
The previous prime is 2997247303. The next prime is 2997247343. The reversal of 2997247331 is 1337427992.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2997247331 - 222 = 2993053027 is a prime.
It is a super-2 number, since 2×29972473312 = 17966983126373247122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2997247301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162635 + ... + 180123.
It is an arithmetic number, because the mean of its divisors is an integer number (403529280).
Almost surely, 22997247331 is an apocalyptic number.
2997247331 is a deficient number, since it is larger than the sum of its proper divisors (230986909).
2997247331 is a wasteful number, since it uses less digits than its factorization.
2997247331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30685.
The product of its digits is 571536, while the sum is 47.
The square root of 2997247331 is about 54747.1216686320. The cubic root of 2997247331 is about 1441.8083202468.
The spelling of 2997247331 in words is "two billion, nine hundred ninety-seven million, two hundred forty-seven thousand, three hundred thirty-one".
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