Base | Representation |
---|---|
bin | 1011001001011001… |
… | …0011100101100101 |
3 | 21201112100002120012 |
4 | 2302112103211211 |
5 | 22112000114340 |
6 | 1212525020005 |
7 | 134102132246 |
oct | 26226234545 |
9 | 7645302505 |
10 | 2992191845 |
11 | 12a6018025 |
12 | 6b60b4605 |
13 | 388bac526 |
14 | 205572ccd |
15 | 127a50565 |
hex | b2593965 |
2992191845 has 18 divisors (see below), whose sum is σ = 3816920562. Its totient is φ = 2251378816.
The previous prime is 2992191823. The next prime is 2992191859. The reversal of 2992191845 is 5481912992.
2992191845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 1002228964 + 1989962881 = 31658^2 + 44609^2 .
It is not a de Polignac number, because 2992191845 - 216 = 2992126309 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2992191793 and 2992191802.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2078636 + ... + 2080074.
Almost surely, 22992191845 is an apocalyptic number.
It is an amenable number.
2992191845 is a deficient number, since it is larger than the sum of its proper divisors (824728717).
2992191845 is an frugal number, since it uses more digits than its factorization.
2992191845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2917 (or 1461 counting only the distinct ones).
The product of its digits is 466560, while the sum is 50.
The square root of 2992191845 is about 54700.9309335774. The cubic root of 2992191845 is about 1440.9972267130.
The spelling of 2992191845 in words is "two billion, nine hundred ninety-two million, one hundred ninety-one thousand, eight hundred forty-five".
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