Base | Representation |
---|---|
bin | 1111011011110100011… |
… | …00010011000001110111 |
3 | 1212200212200101020122122 |
4 | 13231322030103001313 |
5 | 32142104220141211 |
6 | 1043344122150155 |
7 | 53213045206301 |
oct | 7557214230167 |
9 | 1780780336578 |
10 | 530331021431 |
11 | 194a04043862 |
12 | 8694695235b |
13 | 3b018c82833 |
14 | 1b94d5d8971 |
15 | dbdd8476db |
hex | 7b7a313077 |
530331021431 has 16 divisors (see below), whose sum is σ = 563742727680. Its totient is φ = 497820042720.
The previous prime is 530331021403. The next prime is 530331021503. The reversal of 530331021431 is 134120133035.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-530331021431 is a prime.
It is a super-2 number, since 2×5303310214312 (a number of 24 digits) contains 22 as substring.
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 530331021431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (530331021631) 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, 185396 + ... + 1046438.
It is an arithmetic number, because the mean of its divisors is an integer number (35233920480).
Almost surely, 2530331021431 is an apocalyptic number.
530331021431 is a deficient number, since it is larger than the sum of its proper divisors (33411706249).
530331021431 is a wasteful number, since it uses less digits than its factorization.
530331021431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 861566.
The product of its (nonzero) digits is 3240, while the sum is 26.
Adding to 530331021431 its reverse (134120133035), we get a palindrome (664451154466).
The spelling of 530331021431 in words is "five hundred thirty billion, three hundred thirty-one million, twenty-one thousand, four hundred thirty-one".
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