Base | Representation |
---|---|
bin | 110111111110100100… |
… | …0101001100111000111 |
3 | 102111021201020112211120 |
4 | 1233331020221213013 |
5 | 3432143010121411 |
6 | 131120231205023 |
7 | 11453640545511 |
oct | 1577510514707 |
9 | 374251215746 |
10 | 120211020231 |
11 | 46a87a94805 |
12 | 1b36a516773 |
13 | b449b2c703 |
14 | 5b65396bb1 |
15 | 31d878a106 |
hex | 1bfd2299c7 |
120211020231 has 16 divisors (see below), whose sum is σ = 169605757440. Its totient is φ = 75576633440.
The previous prime is 120211020217. The next prime is 120211020239. The reversal of 120211020231 is 132020112021.
It is a cyclic number.
It is not a de Polignac number, because 120211020231 - 211 = 120211018183 is a prime.
It is a super-2 number, since 2×1202110202312 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 120211020231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120211020239) 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, 12264036 + ... + 12273833.
It is an arithmetic number, because the mean of its divisors is an integer number (10600359840).
Almost surely, 2120211020231 is an apocalyptic number.
120211020231 is a deficient number, since it is larger than the sum of its proper divisors (49394737209).
120211020231 is a wasteful number, since it uses less digits than its factorization.
120211020231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24537966.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 120211020231 its reverse (132020112021), we get a palindrome (252231132252).
The spelling of 120211020231 in words is "one hundred twenty billion, two hundred eleven million, twenty thousand, two hundred thirty-one".
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