Base | Representation |
---|---|
bin | 11110100101110101100… |
… | …110011010110010100111 |
3 | 21102222011202210002220110 |
4 | 132211311212122302213 |
5 | 233420312233410343 |
6 | 4245424243104103 |
7 | 304610526165510 |
oct | 36456546326247 |
9 | 7388152702813 |
10 | 2102212013223 |
11 | 7405a7971193 |
12 | 29b50a672033 |
13 | 12331242047a |
14 | 73a675d7a07 |
15 | 39a3b508833 |
hex | 1e97599aca7 |
2102212013223 has 16 divisors (see below), whose sum is σ = 3241965517056. Its totient is φ = 1186790946240.
The previous prime is 2102212013207. The next prime is 2102212013227. The reversal of 2102212013223 is 3223102122012.
It is not a de Polignac number, because 2102212013223 - 24 = 2102212013207 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 2102212013223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2102212013227) 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, 603042438 + ... + 603045923.
It is an arithmetic number, because the mean of its divisors is an integer number (202622844816).
Almost surely, 22102212013223 is an apocalyptic number.
2102212013223 is a deficient number, since it is larger than the sum of its proper divisors (1139753503833).
2102212013223 is a wasteful number, since it uses less digits than its factorization.
2102212013223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1206088454.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 2102212013223 its reverse (3223102122012), we get a palindrome (5325314135235).
The spelling of 2102212013223 in words is "two trillion, one hundred two billion, two hundred twelve million, thirteen thousand, two hundred twenty-three".
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