Base | Representation |
---|---|
bin | 10001101001101101000… |
… | …010010110111101001010 |
3 | 11021221222202112021221200 |
4 | 101221231002112331022 |
5 | 124333221042043310 |
6 | 2325125452245030 |
7 | 153431343555462 |
oct | 21515502267512 |
9 | 4257882467850 |
10 | 1213010112330 |
11 | 428486649045 |
12 | 17710a770776 |
13 | 8a503aba423 |
14 | 429d2366ba2 |
15 | 21846e889c0 |
hex | 11a6d096f4a |
1213010112330 has 96 divisors (see below), whose sum is σ = 3272458132944. Its totient is φ = 311482257408.
The previous prime is 1213010112319. The next prime is 1213010112343. The reversal of 1213010112330 is 332110103121.
1213010112330 is a `hidden beast` number, since 1 + 21 + 301 + 0 + 1 + 12 + 330 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 1112786582769 + 100223529561 = 1054887^2 + 316581^2 .
It is a super-2 number, since 2×12130101123302 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1554657 + ... + 2200676.
Almost surely, 21213010112330 is an apocalyptic number.
1213010112330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1213010112330 is an abundant number, since it is smaller than the sum of its proper divisors (2059448020614).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1213010112330 is a wasteful number, since it uses less digits than its factorization.
1213010112330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3755480 (or 3755477 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 1213010112330 its reverse (332110103121), we get a palindrome (1545120215451).
The spelling of 1213010112330 in words is "one trillion, two hundred thirteen billion, ten million, one hundred twelve thousand, three hundred thirty".
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