Base | Representation |
---|---|
bin | 1111011011110011001… |
… | …10001001100001100111 |
3 | 1212200211222120011200110 |
4 | 13231321212021201213 |
5 | 32142044140133111 |
6 | 1043343123544103 |
7 | 53212564205514 |
oct | 7557146114147 |
9 | 1780758504613 |
10 | 530321021031 |
11 | 1949a943336a |
12 | 8694352b033 |
13 | 3b016b90a39 |
14 | 1b94c15430b |
15 | dbdca1e5a6 |
hex | 7b79989867 |
530321021031 has 16 divisors (see below), whose sum is σ = 745001427456. Its totient is φ = 334892459616.
The previous prime is 530321020991. The next prime is 530321021063. The reversal of 530321021031 is 130120123035.
It is not a de Polignac number, because 530321021031 - 29 = 530321020519 is a prime.
It is a super-2 number, since 2×5303210210312 (a number of 24 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 530321020989 and 530321021007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (530321021071) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37302660 + ... + 37316873.
It is an arithmetic number, because the mean of its divisors is an integer number (46562589216).
Almost surely, 2530321021031 is an apocalyptic number.
530321021031 is a deficient number, since it is larger than the sum of its proper divisors (214680406425).
530321021031 is a wasteful number, since it uses less digits than its factorization.
530321021031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74619662.
The product of its (nonzero) digits is 540, while the sum is 21.
Adding to 530321021031 its reverse (130120123035), we get a palindrome (660441144066).
The spelling of 530321021031 in words is "five hundred thirty billion, three hundred twenty-one million, twenty-one thousand, thirty-one".
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