Base | Representation |
---|---|
bin | 11110100101110101100… |
… | …110100100100011101111 |
3 | 21102222011202212010210020 |
4 | 132211311212210203233 |
5 | 233420312241200411 |
6 | 4245424244013223 |
7 | 304610526423243 |
oct | 36456546444357 |
9 | 7388152763706 |
10 | 2102212053231 |
11 | 7405a7999254 |
12 | 29b50a691213 |
13 | 123312435744 |
14 | 73a67608423 |
15 | 39a3b515606 |
hex | 1e9759a48ef |
2102212053231 has 16 divisors (see below), whose sum is σ = 2968009632000. Its totient is φ = 1318954635648.
The previous prime is 2102212053211. The next prime is 2102212053341. The reversal of 2102212053231 is 1323502122012.
It is not a de Polignac number, because 2102212053231 - 237 = 1964773099759 is a prime.
It is a super-2 number, since 2×21022120532312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2102212053211) 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, 405181 + ... + 2090118.
It is an arithmetic number, because the mean of its divisors is an integer number (185500602000).
Almost surely, 22102212053231 is an apocalyptic number.
2102212053231 is a deficient number, since it is larger than the sum of its proper divisors (865797578769).
2102212053231 is a wasteful number, since it uses less digits than its factorization.
2102212053231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2511838.
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 2102212053231 its reverse (1323502122012), we get a palindrome (3425714175243).
The spelling of 2102212053231 in words is "two trillion, one hundred two billion, two hundred twelve million, fifty-three thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •