Base | Representation |
---|---|
bin | 1100001110011001001… |
… | …0011101111111100011 |
3 | 202002002210111121221000 |
4 | 3003212102131333203 |
5 | 11420111120000311 |
6 | 240252141003043 |
7 | 21113353545150 |
oct | 3034622357743 |
9 | 662083447830 |
10 | 210022031331 |
11 | 81084a63722 |
12 | 34853b53483 |
13 | 16a60751528 |
14 | a24513b227 |
15 | 56e3235056 |
hex | 30e649dfe3 |
210022031331 has 32 divisors (see below), whose sum is σ = 355658918400. Its totient is φ = 119990293920.
The previous prime is 210022031273. The next prime is 210022031339. The reversal of 210022031331 is 133130220012.
210022031331 is a `hidden beast` number, since 2 + 100 + 220 + 313 + 31 = 666.
It is not a de Polignac number, because 210022031331 - 210 = 210022030307 is a prime.
It is a super-2 number, since 2×2100220313312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (210022031339) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 944905 + ... + 1145813.
It is an arithmetic number, because the mean of its divisors is an integer number (11114341200).
Almost surely, 2210022031331 is an apocalyptic number.
210022031331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
210022031331 is a deficient number, since it is larger than the sum of its proper divisors (145636887069).
210022031331 is a wasteful number, since it uses less digits than its factorization.
210022031331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206456 (or 206450 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 210022031331 its reverse (133130220012), we get a palindrome (343152251343).
The spelling of 210022031331 in words is "two hundred ten billion, twenty-two million, thirty-one thousand, three hundred thirty-one".
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