Base | Representation |
---|---|
bin | 11100111111000010… |
… | …101100011100010011 |
3 | 2222022222100212100011 |
4 | 130333002230130103 |
5 | 1002214321121003 |
6 | 22144125535351 |
7 | 2151146251342 |
oct | 347702543423 |
9 | 88288325304 |
10 | 31122442003 |
11 | 12220897354 |
12 | 6046a14557 |
13 | 2c1caa2873 |
14 | 1713549b59 |
15 | c2244446d |
hex | 73f0ac713 |
31122442003 has 16 divisors (see below), whose sum is σ = 32404838400. Its totient is φ = 29866042080.
The previous prime is 31122441979. The next prime is 31122442009. The reversal of 31122442003 is 30024422113.
It is a cyclic number.
It is not a de Polignac number, because 31122442003 - 29 = 31122441491 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31122442009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7301893 + ... + 7306153.
It is an arithmetic number, because the mean of its divisors is an integer number (2025302400).
Almost surely, 231122442003 is an apocalyptic number.
31122442003 is a deficient number, since it is larger than the sum of its proper divisors (1282396397).
31122442003 is a wasteful number, since it uses less digits than its factorization.
31122442003 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7242.
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 31122442003 its reverse (30024422113), we get a palindrome (61146864116).
The spelling of 31122442003 in words is "thirty-one billion, one hundred twenty-two million, four hundred forty-two thousand, three".
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