Base | Representation |
---|---|
bin | 111100100010001… |
… | …1010101101011001 |
3 | 12020120001201002212 |
4 | 1321010122231121 |
5 | 13124441413423 |
6 | 533315404505 |
7 | 101222632064 |
oct | 17104325531 |
9 | 5216051085 |
10 | 2031201113 |
11 | 952618507 |
12 | 4882b3735 |
13 | 264a7cc66 |
14 | 153a9b8db |
15 | bd4c7578 |
hex | 7911ab59 |
2031201113 has 4 divisors (see below), whose sum is σ = 2044652928. Its totient is φ = 2017749300.
The previous prime is 2031201101. The next prime is 2031201167. The reversal of 2031201113 is 3111021302.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2031201113 - 212 = 2031197017 is a prime.
It is a super-2 number, since 2×20312011132 = 8251555922904877538, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2031201013) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6725681 + ... + 6725982.
It is an arithmetic number, because the mean of its divisors is an integer number (511163232).
Almost surely, 22031201113 is an apocalyptic number.
It is an amenable number.
2031201113 is a deficient number, since it is larger than the sum of its proper divisors (13451815).
2031201113 is a wasteful number, since it uses less digits than its factorization.
2031201113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13451814.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 2031201113 is about 45068.8485874667. The cubic root of 2031201113 is about 1266.4390946273.
Adding to 2031201113 its reverse (3111021302), we get a palindrome (5142222415).
The spelling of 2031201113 in words is "two billion, thirty-one million, two hundred one thousand, one hundred thirteen".
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