Base | Representation |
---|---|
bin | 11100001111011101… |
… | …101011111101000101 |
3 | 2220021100100112222101 |
4 | 130033131223331011 |
5 | 444100444232100 |
6 | 21533013032101 |
7 | 2122314354646 |
oct | 341735537505 |
9 | 86240315871 |
10 | 30324211525 |
11 | 11951254a43 |
12 | 5a63625631 |
13 | 2b235bc23a |
14 | 16795216cd |
15 | bc731b86a |
hex | 70f76bf45 |
30324211525 has 6 divisors (see below), whose sum is σ = 37602022322. Its totient is φ = 24259369200.
The previous prime is 30324211523. The next prime is 30324211529. The reversal of 30324211525 is 52511242303.
It can be written as a sum of positive squares in 3 ways, for example, as 96216481 + 30227995044 = 9809^2 + 173862^2 .
It is not a de Polignac number, because 30324211525 - 21 = 30324211523 is a prime.
It is a super-2 number, since 2×303242115252 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30324211493 and 30324211502.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30324211523) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 606484206 + ... + 606484255.
Almost surely, 230324211525 is an apocalyptic number.
It is an amenable number.
30324211525 is a deficient number, since it is larger than the sum of its proper divisors (7277810797).
30324211525 is a wasteful number, since it uses less digits than its factorization.
30324211525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1212968471 (or 1212968466 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 28.
Adding to 30324211525 its reverse (52511242303), we get a palindrome (82835453828).
The spelling of 30324211525 in words is "thirty billion, three hundred twenty-four million, two hundred eleven thousand, five hundred twenty-five".
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