Base | Representation |
---|---|
bin | 10111000010110111… |
… | …00000110001101011 |
3 | 1011221020010202022020 |
4 | 23201123200301223 |
5 | 200314214122311 |
6 | 5403355155523 |
7 | 615406303056 |
oct | 134133406153 |
9 | 34836122266 |
10 | 12372020331 |
11 | 5279756aa0 |
12 | 2493445ba3 |
13 | 122225a8b8 |
14 | 8551bba9d |
15 | 4c6258c06 |
hex | 2e16e0c6b |
12372020331 has 16 divisors (see below), whose sum is σ = 18016803840. Its totient is φ = 7489386720.
The previous prime is 12372020303. The next prime is 12372020333. The reversal of 12372020331 is 13302027321.
12372020331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12372020331 - 26 = 12372020267 is a prime.
It is a super-2 number, since 2×123720203312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12372020333) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191611 + ... + 247908.
It is an arithmetic number, because the mean of its divisors is an integer number (1126050240).
Almost surely, 212372020331 is an apocalyptic number.
12372020331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12372020331 is a deficient number, since it is larger than the sum of its proper divisors (5644783509).
12372020331 is a wasteful number, since it uses less digits than its factorization.
12372020331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 440386.
The product of its (nonzero) digits is 1512, while the sum is 24.
Adding to 12372020331 its reverse (13302027321), we get a palindrome (25674047652).
The spelling of 12372020331 in words is "twelve billion, three hundred seventy-two million, twenty thousand, three hundred thirty-one".
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