Base | Representation |
---|---|
bin | 11110111111111111111… |
… | …101001001001100001111 |
3 | 21112122200110222121122101 |
4 | 132333333331021030033 |
5 | 234400330033430111 |
6 | 4310351523055531 |
7 | 306623615661631 |
oct | 36777775111417 |
9 | 7478613877571 |
10 | 2130303030031 |
11 | 751502583960 |
12 | 2a4a4a2115a7 |
13 | 125b6b157bc7 |
14 | 751702baa51 |
15 | 3a63274cbc1 |
hex | 1effff4930f |
2130303030031 has 16 divisors (see below), whose sum is σ = 2474894448288. Its totient is φ = 1812183193600.
The previous prime is 2130303029999. The next prime is 2130303030067. The reversal of 2130303030031 is 1300303030312.
It is a cyclic number.
It is not a de Polignac number, because 2130303030031 - 25 = 2130303029999 is a prime.
It is a super-2 number, since 2×21303030300312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2130303029990 and 2130303030008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130303130031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32892490 + ... + 32957191.
It is an arithmetic number, because the mean of its divisors is an integer number (154680903018).
Almost surely, 22130303030031 is an apocalyptic number.
2130303030031 is a deficient number, since it is larger than the sum of its proper divisors (344591418257).
2130303030031 is a wasteful number, since it uses less digits than its factorization.
2130303030031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65849882.
The product of its (nonzero) digits is 486, while the sum is 19.
Adding to 2130303030031 its reverse (1300303030312), we get a palindrome (3430606060343).
The spelling of 2130303030031 in words is "two trillion, one hundred thirty billion, three hundred three million, thirty thousand, thirty-one".
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