Base | Representation |
---|---|
bin | 11100010110000000… |
… | …111101000101110111 |
3 | 2220120000011111010200 |
4 | 130112000331011313 |
5 | 444312113320210 |
6 | 21551540451543 |
7 | 2125120515663 |
oct | 342600750567 |
9 | 86500144120 |
10 | 30434120055 |
11 | 119a82a3939 |
12 | 5a943a9bb3 |
13 | 2b402c1a81 |
14 | 1689d718a3 |
15 | bd1ccc0c0 |
hex | 71603d177 |
30434120055 has 24 divisors (see below), whose sum is σ = 53296322352. Its totient is φ = 16064193024.
The previous prime is 30434120023. The next prime is 30434120089. The reversal of 30434120055 is 55002143403.
It is not a de Polignac number, because 30434120055 - 25 = 30434120023 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3481789 + ... + 3490518.
It is an arithmetic number, because the mean of its divisors is an integer number (2220680098).
Almost surely, 230434120055 is an apocalyptic number.
30434120055 is a deficient number, since it is larger than the sum of its proper divisors (22862202297).
30434120055 is a wasteful number, since it uses less digits than its factorization.
30434120055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6972415 (or 6972412 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
Adding to 30434120055 its reverse (55002143403), we get a palindrome (85436263458).
The spelling of 30434120055 in words is "thirty billion, four hundred thirty-four million, one hundred twenty thousand, fifty-five".
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