Base | Representation |
---|---|
bin | 11100000011111001… |
… | …010101000100010111 |
3 | 2212202211011020212001 |
4 | 130003321111010113 |
5 | 443201303144343 |
6 | 21501441140131 |
7 | 2114436614113 |
oct | 340371250427 |
9 | 85684136761 |
10 | 30130131223 |
11 | 118617455a5 |
12 | 5a0a62a647 |
13 | 2ac232851a |
14 | 165b840743 |
15 | bb528144d |
hex | 703e55117 |
30130131223 has 4 divisors (see below), whose sum is σ = 30131243640. Its totient is φ = 30129018808.
The previous prime is 30130131211. The next prime is 30130131257. The reversal of 30130131223 is 32213103103.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30130131223 - 29 = 30130130711 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30130131223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30130131263) 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 3 ways as a sum of consecutive naturals, for example, 514540 + ... + 570097.
It is an arithmetic number, because the mean of its divisors is an integer number (7532810910).
Almost surely, 230130131223 is an apocalyptic number.
30130131223 is a deficient number, since it is larger than the sum of its proper divisors (1112417).
30130131223 is a wasteful number, since it uses less digits than its factorization.
30130131223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1112416.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 30130131223 its reverse (32213103103), we get a palindrome (62343234326).
The spelling of 30130131223 in words is "thirty billion, one hundred thirty million, one hundred thirty-one thousand, two hundred twenty-three".
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