Base | Representation |
---|---|
bin | 1011101000011001… |
… | …0101001111001111 |
3 | 22001121000022110000 |
4 | 2322012111033033 |
5 | 22343242101111 |
6 | 1233452015343 |
7 | 140241310065 |
oct | 27206251717 |
9 | 8047008400 |
10 | 3122222031 |
11 | 136245a695 |
12 | 731761553 |
13 | 3a9b08976 |
14 | 218940035 |
15 | 134187c56 |
hex | ba1953cf |
3122222031 has 20 divisors (see below), whose sum is σ = 4697631400. Its totient is φ = 2066499216.
The previous prime is 3122222029. The next prime is 3122222053. The reversal of 3122222031 is 1302222213.
It is not a de Polignac number, because 3122222031 - 21 = 3122222029 is a prime.
It is a super-2 number, since 2×31222220312 = 19496540821723529922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3122221995 and 3122222013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3122222011) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 127396 + ... + 149913.
It is an arithmetic number, because the mean of its divisors is an integer number (234881570).
Almost surely, 23122222031 is an apocalyptic number.
3122222031 is a deficient number, since it is larger than the sum of its proper divisors (1575409369).
3122222031 is a wasteful number, since it uses less digits than its factorization.
3122222031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 277460 (or 277451 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 3122222031 is about 55876.8470030298. The cubic root of 3122222031 is about 1461.5755230397.
Adding to 3122222031 its reverse (1302222213), we get a palindrome (4424444244).
The spelling of 3122222031 in words is "three billion, one hundred twenty-two million, two hundred twenty-two thousand, thirty-one".
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