Base | Representation |
---|---|
bin | 111110100110000… |
… | …0011100010101000 |
3 | 12102101002220201221 |
4 | 1331030003202220 |
5 | 13300134442412 |
6 | 544224551424 |
7 | 103022234164 |
oct | 17514034250 |
9 | 5371086657 |
10 | 2100312232 |
11 | 988631737 |
12 | 4a7482574 |
13 | 27619a005 |
14 | 15cd2bca4 |
15 | c45c9b07 |
hex | 7d3038a8 |
2100312232 has 8 divisors (see below), whose sum is σ = 3938085450. Its totient is φ = 1050156112.
The previous prime is 2100312199. The next prime is 2100312233. The reversal of 2100312232 is 2322130012.
It can be written as a sum of positive squares in only one way, i.e., 1074135076 + 1026177156 = 32774^2 + 32034^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×21003122322 = 8822622943777643648, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2100312233) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131269507 + ... + 131269522.
Almost surely, 22100312232 is an apocalyptic number.
It is an amenable number.
2100312232 is a deficient number, since it is larger than the sum of its proper divisors (1837773218).
2100312232 is a wasteful number, since it uses less digits than its factorization.
2100312232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 262539035 (or 262539031 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 2100312232 is about 45829.1635533532. The cubic root of 2100312232 is about 1280.6426281588.
Adding to 2100312232 its reverse (2322130012), we get a palindrome (4422442244).
The spelling of 2100312232 in words is "two billion, one hundred million, three hundred twelve thousand, two hundred thirty-two".
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