Base | Representation |
---|---|
bin | 111111011111000… |
… | …0100101010000010 |
3 | 12111110100102201102 |
4 | 1332332010222002 |
5 | 13330312414333 |
6 | 551213334402 |
7 | 103534261115 |
oct | 17676045202 |
9 | 5443312642 |
10 | 2130201218 |
11 | 9a3496782 |
12 | 4b5497402 |
13 | 27c4335c2 |
14 | 162cac57c |
15 | c7030ae8 |
hex | 7ef84a82 |
2130201218 has 32 divisors (see below), whose sum is σ = 3434954688. Its totient is φ = 987251200.
The previous prime is 2130201217. The next prime is 2130201223. The reversal of 2130201218 is 8121020312.
It is a self number, because there is not a number n which added to its sum of digits gives 2130201218.
It is not an unprimeable number, because it can be changed into a prime (2130201211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608453 + ... + 611943.
It is an arithmetic number, because the mean of its divisors is an integer number (107342334).
Almost surely, 22130201218 is an apocalyptic number.
2130201218 is a deficient number, since it is larger than the sum of its proper divisors (1304753470).
2130201218 is a wasteful number, since it uses less digits than its factorization.
2130201218 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3778.
The product of its (nonzero) digits is 192, while the sum is 20.
The square root of 2130201218 is about 46154.1029378754. The cubic root of 2130201218 is about 1286.6888658804.
The spelling of 2130201218 in words is "two billion, one hundred thirty million, two hundred one thousand, two hundred eighteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •