Base | Representation |
---|---|
bin | 10010101000101100… |
… | …110111000001100100 |
3 | 1220122112201112122112 |
4 | 102220230313001210 |
5 | 311440102414223 |
6 | 13105332020152 |
7 | 1305604621655 |
oct | 225054670144 |
9 | 56575645575 |
10 | 20010201188 |
11 | 853926735a |
12 | 3a65461658 |
13 | 1b6b839c43 |
14 | d7b7bd52c |
15 | 7c1ad3778 |
hex | 4a8b37064 |
20010201188 has 48 divisors (see below), whose sum is σ = 36138009600. Its totient is φ = 9689350944.
The previous prime is 20010201187. The next prime is 20010201199. The reversal of 20010201188 is 88110201002.
It is a happy number.
It is a super-2 number, since 2×200102011882 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20010201187) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17205095 + ... + 17206257.
It is an arithmetic number, because the mean of its divisors is an integer number (752875200).
Almost surely, 220010201188 is an apocalyptic number.
It is an amenable number.
20010201188 is a deficient number, since it is larger than the sum of its proper divisors (16127808412).
20010201188 is a wasteful number, since it uses less digits than its factorization.
20010201188 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1976 (or 1974 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 23.
The spelling of 20010201188 in words is "twenty billion, ten million, two hundred one thousand, one hundred eighty-eight".
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