Base | Representation |
---|---|
bin | 10110101111101100… |
… | …00010001111111111 |
3 | 1011112000112021200120 |
4 | 23113312002033333 |
5 | 200002031413043 |
6 | 5335412230023 |
7 | 611414332110 |
oct | 132766021777 |
9 | 34460467616 |
10 | 12211201023 |
11 | 51a69a507a |
12 | 244960b313 |
13 | 11c7b41248 |
14 | 83bab8207 |
15 | 4b708d983 |
hex | 2d7d823ff |
12211201023 has 8 divisors (see below), whose sum is σ = 18607544448. Its totient is φ = 6977829144.
The previous prime is 12211201001. The next prime is 12211201061. The reversal of 12211201023 is 32010211221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12211201023 - 214 = 12211184639 is a prime.
It is a super-2 number, since 2×122112010232 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12211200993 and 12211201011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12211241023) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290742861 + ... + 290742902.
It is an arithmetic number, because the mean of its divisors is an integer number (2325943056).
Almost surely, 212211201023 is an apocalyptic number.
12211201023 is a deficient number, since it is larger than the sum of its proper divisors (6396343425).
12211201023 is an equidigital number, since it uses as much as digits as its factorization.
12211201023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 581485773.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 12211201023 its reverse (32010211221), we get a palindrome (44221412244).
The spelling of 12211201023 in words is "twelve billion, two hundred eleven million, two hundred one thousand, twenty-three".
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