Base | Representation |
---|---|
bin | 111111011110101… |
… | …0110100100100110 |
3 | 12111102222211210011 |
4 | 1332331112210212 |
5 | 13330240344304 |
6 | 551205320434 |
7 | 103532543563 |
oct | 17675264446 |
9 | 5442884704 |
10 | 2130012454 |
11 | 9a3377979 |
12 | 4b540611a |
13 | 27c3986cb |
14 | 162c5d86a |
15 | c6ee4c04 |
hex | 7ef56926 |
2130012454 has 16 divisors (see below), whose sum is σ = 3262809600. Its totient is φ = 1042560904.
The previous prime is 2130012383. The next prime is 2130012463. The reversal of 2130012454 is 4542100312.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9562 + ... + 65965.
It is an arithmetic number, because the mean of its divisors is an integer number (203925600).
Almost surely, 22130012454 is an apocalyptic number.
2130012454 is a deficient number, since it is larger than the sum of its proper divisors (1132797146).
2130012454 is a wasteful number, since it uses less digits than its factorization.
2130012454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75827.
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 2130012454 is about 46152.0579606154. The cubic root of 2130012454 is about 1286.6508588743.
Adding to 2130012454 its reverse (4542100312), we get a palindrome (6672112766).
The spelling of 2130012454 in words is "two billion, one hundred thirty million, twelve thousand, four hundred fifty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •