Base | Representation |
---|---|
bin | 1011000010001000010010… |
… | …1001111100100010101100 |
3 | 1120221201210002220221020220 |
4 | 2300202010221330202230 |
5 | 3042224211041413200 |
6 | 41445000305011340 |
7 | 2361310526046201 |
oct | 260420451744254 |
9 | 46851702827226 |
10 | 12131213232300 |
11 | 3957900678358 |
12 | 143b13a923b50 |
13 | 69cc78a3c746 |
14 | 2dd22225dca8 |
15 | 1608625354a0 |
hex | b0884a7c8ac |
12131213232300 has 72 divisors (see below), whose sum is σ = 36048282668496. Its totient is φ = 3147558024960.
The previous prime is 12131213232241. The next prime is 12131213232319. The reversal of 12131213232300 is 323231213121.
It is a super-2 number, since 2×121312132323002 (a number of 27 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 546439947 + ... + 546462146.
It is an arithmetic number, because the mean of its divisors is an integer number (500670592618).
Almost surely, 212131213232300 is an apocalyptic number.
12131213232300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12131213232300 is an abundant number, since it is smaller than the sum of its proper divisors (23917069436196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12131213232300 is a wasteful number, since it uses less digits than its factorization.
12131213232300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1092902147 (or 1092902140 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 12131213232300 its reverse (323231213121), we get a palindrome (12454444445421).
The spelling of 12131213232300 in words is "twelve trillion, one hundred thirty-one billion, two hundred thirteen million, two hundred thirty-two thousand, three hundred".
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