Base | Representation |
---|---|
bin | 1011000100100110… |
… | …1111110011000111 |
3 | 21200010120110100010 |
4 | 2301021233303013 |
5 | 22041330403221 |
6 | 1210530521303 |
7 | 133436423424 |
oct | 26111576307 |
9 | 7603513303 |
10 | 2972122311 |
11 | 129575a534 |
12 | 6ab436233 |
13 | 3849a3572 |
14 | 202a2ad4b |
15 | 125dd8c76 |
hex | b126fcc7 |
2972122311 has 8 divisors (see below), whose sum is σ = 3977453824. Its totient is φ = 1974102840.
The previous prime is 2972122297. The next prime is 2972122313. The reversal of 2972122311 is 1132212792.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2972122311 - 26 = 2972122247 is a prime.
It is a super-2 number, since 2×29721223112 = 17667022063087961442, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2972122313) 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, 1827061 + ... + 1828686.
It is an arithmetic number, because the mean of its divisors is an integer number (497181728).
Almost surely, 22972122311 is an apocalyptic number.
2972122311 is a deficient number, since it is larger than the sum of its proper divisors (1005331513).
2972122311 is a wasteful number, since it uses less digits than its factorization.
2972122311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3656021.
The product of its digits is 3024, while the sum is 30.
The square root of 2972122311 is about 54517.1744590638. The cubic root of 2972122311 is about 1437.7682622320.
The spelling of 2972122311 in words is "two billion, nine hundred seventy-two million, one hundred twenty-two thousand, three hundred eleven".
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