Base | Representation |
---|---|
bin | 100000010011101111011… |
… | …011111011110000000100 |
3 | 21212020202222000020001102 |
4 | 200103233123323300010 |
5 | 242334002332430423 |
6 | 4415542144115232 |
7 | 316256061223205 |
oct | 40235733736004 |
9 | 7766688006042 |
10 | 2220220201988 |
11 | 786654472018 |
12 | 2ba363305b18 |
13 | 13149aa697b9 |
14 | 796601b75ac |
15 | 3cb466b7c28 |
hex | 204ef6fbc04 |
2220220201988 has 6 divisors (see below), whose sum is σ = 3885385353486. Its totient is φ = 1110110100992.
The previous prime is 2220220201987. The next prime is 2220220202023. The reversal of 2220220201988 is 8891020220222.
2220220201988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 2126049777604 + 94170424384 = 1458098^2 + 306872^2 .
It is not an unprimeable number, because it can be changed into a prime (2220220201987) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277527525245 + ... + 277527525252.
It is an arithmetic number, because the mean of its divisors is an integer number (647564225581).
Almost surely, 22220220201988 is an apocalyptic number.
It is an amenable number.
2220220201988 is a deficient number, since it is larger than the sum of its proper divisors (1665165151498).
2220220201988 is a wasteful number, since it uses less digits than its factorization.
2220220201988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 555055050501 (or 555055050499 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 38.
The spelling of 2220220201988 in words is "two trillion, two hundred twenty billion, two hundred twenty million, two hundred one thousand, nine hundred eighty-eight".
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