Base | Representation |
---|---|
bin | 11010010101111… |
… | …10001110011010 |
3 | 120101210221201222 |
4 | 31022332032122 |
5 | 423032330442 |
6 | 33532212042 |
7 | 5322204626 |
oct | 1512761632 |
9 | 511727658 |
10 | 220980122 |
11 | 103812700 |
12 | 6200a022 |
13 | 36a2188c |
14 | 214c4186 |
15 | 146008d2 |
hex | d2be39a |
220980122 has 24 divisors (see below), whose sum is σ = 367991316. Its totient is φ = 99440000.
The previous prime is 220980091. The next prime is 220980157. The reversal of 220980122 is 221089022.
It can be written as a sum of positive squares in 2 ways, for example, as 141395881 + 79584241 = 11891^2 + 8921^2 .
It is a super-3 number, since 3×2209801223 (a number of 26 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 220980091 and 220980100.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19922 + ... + 28962.
Almost surely, 2220980122 is an apocalyptic number.
220980122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
220980122 is a deficient number, since it is larger than the sum of its proper divisors (147011194).
220980122 is a wasteful number, since it uses less digits than its factorization.
220980122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9166 (or 9155 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 26.
The square root of 220980122 is about 14865.4001627941. The cubic root of 220980122 is about 604.5762321698.
Subtracting 220980122 from its reverse (221089022), we obtain a square (108900 = 3302).
The spelling of 220980122 in words is "two hundred twenty million, nine hundred eighty thousand, one hundred twenty-two".
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