Base | Representation |
---|---|
bin | 100000001100000110101… |
… | …110110110011010001100 |
3 | 21211110121112221210121122 |
4 | 200030012232312122030 |
5 | 242220204400232340 |
6 | 4412104413020112 |
7 | 315545642065226 |
oct | 40140656663214 |
9 | 7743545853548 |
10 | 2212021102220 |
11 | 783127277006 |
12 | 2b8855484638 |
13 | 1307921c6087 |
14 | 790c32c3416 |
15 | 3c81698edb5 |
hex | 20306bb668c |
2212021102220 has 192 divisors, whose sum is σ = 4841706777600. Its totient is φ = 848497213440.
The previous prime is 2212021102217. The next prime is 2212021102229. The reversal of 2212021102220 is 222011202122.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (2212021102229) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2876489996 + ... + 2876490764.
It is an arithmetic number, because the mean of its divisors is an integer number (25217222800).
Almost surely, 22212021102220 is an apocalyptic number.
2212021102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2212021102220 is an abundant number, since it is smaller than the sum of its proper divisors (2629685675380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2212021102220 is a wasteful number, since it uses less digits than its factorization.
2212021102220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1268 (or 1266 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 2212021102220 its reverse (222011202122), we get a palindrome (2434032304342).
The spelling of 2212021102220 in words is "two trillion, two hundred twelve billion, twenty-one million, one hundred two thousand, two hundred twenty".
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