Base | Representation |
---|---|
bin | 111100100001110… |
… | …1100100100010001 |
3 | 12020112201002211212 |
4 | 1321003230210101 |
5 | 13124414341423 |
6 | 533311345505 |
7 | 101221214054 |
oct | 17103544421 |
9 | 5215632755 |
10 | 2031012113 |
11 | 9524a9509 |
12 | 488222295 |
13 | 264a14c20 |
14 | 153a4ca9b |
15 | bd48b578 |
hex | 790ec911 |
2031012113 has 8 divisors (see below), whose sum is σ = 2189093928. Its totient is φ = 1873194624.
The previous prime is 2031012097. The next prime is 2031012133. The reversal of 2031012113 is 3112101302.
It can be written as a sum of positive squares in 4 ways, for example, as 1329409 + 2029682704 = 1153^2 + 45052^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2031012113 - 24 = 2031012097 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2031012133) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49970 + ... + 80987.
It is an arithmetic number, because the mean of its divisors is an integer number (273636741).
Almost surely, 22031012113 is an apocalyptic number.
It is an amenable number.
2031012113 is a deficient number, since it is larger than the sum of its proper divisors (158081815).
2031012113 is a wasteful number, since it uses less digits than its factorization.
2031012113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 132163.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 2031012113 is about 45066.7517467146. The cubic root of 2031012113 is about 1266.3998133679.
Adding to 2031012113 its reverse (3112101302), we get a palindrome (5143113415).
It can be divided in two parts, 20310 and 12113, that added together give a palindrome (32423).
The spelling of 2031012113 in words is "two billion, thirty-one million, twelve thousand, one hundred thirteen".
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