Base | Representation |
---|---|
bin | 1100001110110010111… |
… | …0011101001000000111 |
3 | 202002101022201120202212 |
4 | 3003230232131020013 |
5 | 11420321241443421 |
6 | 240310555454035 |
7 | 21116134536260 |
oct | 3035456351007 |
9 | 662338646685 |
10 | 210130031111 |
11 | 8112aa19540 |
12 | 3488415731b |
13 | 16a79c36320 |
14 | a255611967 |
15 | 56ec969e5b |
hex | 30ecb9d207 |
210130031111 has 16 divisors (see below), whose sum is σ = 282132630528. Its totient is φ = 151142479200.
The previous prime is 210130031101. The next prime is 210130031117. The reversal of 210130031111 is 111130031012.
It is a happy number.
210130031111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-210130031111 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210130031117) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104959055 + ... + 104961056.
It is an arithmetic number, because the mean of its divisors is an integer number (17633289408).
Almost surely, 2210130031111 is an apocalyptic number.
210130031111 is a deficient number, since it is larger than the sum of its proper divisors (72002599417).
210130031111 is a wasteful number, since it uses less digits than its factorization.
210130031111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 209920142.
The product of its (nonzero) digits is 18, while the sum is 14.
Adding to 210130031111 its reverse (111130031012), we get a palindrome (321260062123).
Subtracting from 210130031111 its reverse (111130031012), we obtain a palindrome (99000000099).
The spelling of 210130031111 in words is "two hundred ten billion, one hundred thirty million, thirty-one thousand, one hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •