Base | Representation |
---|---|
bin | 1011000110110101010110… |
… | …1110010000101110100111 |
3 | 1121020110101101022221010110 |
4 | 2301231111232100232213 |
5 | 3100040214213304111 |
6 | 41550043525224103 |
7 | 2400201331046625 |
oct | 261552556205647 |
9 | 47213341287113 |
10 | 12212030213031 |
11 | 3989102763120 |
12 | 1452934262033 |
13 | 6a77881c14bc |
14 | 3030cb704515 |
15 | 1629e25d25a6 |
hex | b1b55b90ba7 |
12212030213031 has 16 divisors (see below), whose sum is σ = 17763523441920. Its totient is φ = 7400992763520.
The previous prime is 12212030213017. The next prime is 12212030213063. The reversal of 12212030213031 is 13031203021221.
It is not a de Polignac number, because 12212030213031 - 217 = 12212030081959 is a prime.
It is a super-2 number, since 2×122120302130312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12212030212989 and 12212030213007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12212030213011) 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, 4895746 + ... + 6956463.
It is an arithmetic number, because the mean of its divisors is an integer number (1110220215120).
Almost surely, 212212030213031 is an apocalyptic number.
12212030213031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12212030213031 is a deficient number, since it is larger than the sum of its proper divisors (5551493228889).
12212030213031 is a wasteful number, since it uses less digits than its factorization.
12212030213031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11883446.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 12212030213031 its reverse (13031203021221), we get a palindrome (25243233234252).
The spelling of 12212030213031 in words is "twelve trillion, two hundred twelve billion, thirty million, two hundred thirteen thousand, thirty-one".
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