Base | Representation |
---|---|
bin | 111000011100011011… |
… | …0111100010001011000 |
3 | 102120212112122221210222 |
4 | 1300320312330101120 |
5 | 3441221012323112 |
6 | 131403503255212 |
7 | 11520525410501 |
oct | 1607066742130 |
9 | 376775587728 |
10 | 121213011032 |
11 | 47451648283 |
12 | 1b5a9baa508 |
13 | b5795b5a89 |
14 | 5c1c4a1ba8 |
15 | 3246711372 |
hex | 1c38dbc458 |
121213011032 has 64 divisors (see below), whose sum is σ = 232951736160. Its totient is φ = 59107276800.
The previous prime is 121213011013. The next prime is 121213011037. The reversal of 121213011032 is 230110312121.
It is a self number, because there is not a number n which added to its sum of digits gives 121213011032.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121213011037) 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, 103511807 + ... + 103512977.
Almost surely, 2121213011032 is an apocalyptic number.
It is an amenable number.
121213011032 is a deficient number, since it is larger than the sum of its proper divisors (111738725128).
121213011032 is a wasteful number, since it uses less digits than its factorization.
121213011032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2484 (or 2480 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 121213011032 its reverse (230110312121), we get a palindrome (351323323153).
The spelling of 121213011032 in words is "one hundred twenty-one billion, two hundred thirteen million, eleven thousand, thirty-two".
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