Base | Representation |
---|---|
bin | 111100100001110… |
… | …1100000100111111 |
3 | 12020112201000002201 |
4 | 1321003230010333 |
5 | 13124414310421 |
6 | 533311332331 |
7 | 101221205164 |
oct | 17103540477 |
9 | 5215630081 |
10 | 2031010111 |
11 | 9524a7a59 |
12 | 4882210a7 |
13 | 264a14040 |
14 | 153a4c06b |
15 | bd48ab91 |
hex | 790ec13f |
2031010111 has 32 divisors (see below), whose sum is σ = 2462443200. Its totient is φ = 1654732800.
The previous prime is 2031010109. The next prime is 2031010117. The reversal of 2031010111 is 1110101302.
It is not a de Polignac number, because 2031010111 - 21 = 2031010109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2031010117) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421705 + ... + 426493.
It is an arithmetic number, because the mean of its divisors is an integer number (76951350).
Almost surely, 22031010111 is an apocalyptic number.
2031010111 is a deficient number, since it is larger than the sum of its proper divisors (431433089).
2031010111 is a wasteful number, since it uses less digits than its factorization.
2031010111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4939.
The product of its (nonzero) digits is 6, while the sum is 10.
The square root of 2031010111 is about 45066.7295352126. The cubic root of 2031010111 is about 1266.3993972645.
Adding to 2031010111 its reverse (1110101302), we get a palindrome (3141111413).
The spelling of 2031010111 in words is "two billion, thirty-one million, ten thousand, one hundred eleven".
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