Base | Representation |
---|---|
bin | 111100100010100… |
… | …1110000000010100 |
3 | 12020120110101022121 |
4 | 1321011032000110 |
5 | 13130020124340 |
6 | 533324105324 |
7 | 101224465456 |
oct | 17105160024 |
9 | 5216411277 |
10 | 2031411220 |
11 | 952751353 |
12 | 488395244 |
13 | 264b24797 |
14 | 153b142d6 |
15 | bd51994a |
hex | 7914e014 |
2031411220 has 24 divisors (see below), whose sum is σ = 4490488800. Its totient is φ = 769797792.
The previous prime is 2031411197. The next prime is 2031411233. The reversal of 2031411220 is 221141302.
It is a junction number, because it is equal to n+sod(n) for n = 2031411194 and 2031411203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2672530 + ... + 2673289.
It is an arithmetic number, because the mean of its divisors is an integer number (187103700).
Almost surely, 22031411220 is an apocalyptic number.
2031411220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2031411220 is an abundant number, since it is smaller than the sum of its proper divisors (2459077580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031411220 is a wasteful number, since it uses less digits than its factorization.
2031411220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5345847 (or 5345845 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 2031411220 is about 45071.1794831242. The cubic root of 2031411220 is about 1266.4827598496.
Adding to 2031411220 its reverse (221141302), we get a palindrome (2252552522).
The spelling of 2031411220 in words is "two billion, thirty-one million, four hundred eleven thousand, two hundred twenty".
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