Base | Representation |
---|---|
bin | 1011001000111110… |
… | …1000011010001111 |
3 | 21201102001012101211 |
4 | 2302033220122033 |
5 | 22111023122002 |
6 | 1212423315251 |
7 | 134051224111 |
oct | 26217503217 |
9 | 7642035354 |
10 | 2990442127 |
11 | 12a5032482 |
12 | 6b55abb27 |
13 | 388718caa |
14 | 2052393b1 |
15 | 127806dd7 |
hex | b23e868f |
2990442127 has 4 divisors (see below), whose sum is σ = 2990697760. Its totient is φ = 2990186496.
The previous prime is 2990442121. The next prime is 2990442151. The reversal of 2990442127 is 7212440992.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2990442127 - 223 = 2982053519 is a prime.
It is a super-2 number, since 2×29904421272 = 17885488229872568258, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2990442127.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2990442121) 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 3 ways as a sum of consecutive naturals, for example, 109383 + ... + 133960.
It is an arithmetic number, because the mean of its divisors is an integer number (747674440).
Almost surely, 22990442127 is an apocalyptic number.
2990442127 is a deficient number, since it is larger than the sum of its proper divisors (255633).
2990442127 is a wasteful number, since it uses less digits than its factorization.
2990442127 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 255632.
The product of its (nonzero) digits is 72576, while the sum is 40.
The square root of 2990442127 is about 54684.9351009947. The cubic root of 2990442127 is about 1440.7162921410.
The spelling of 2990442127 in words is "two billion, nine hundred ninety million, four hundred forty-two thousand, one hundred twenty-seven".
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