Base | Representation |
---|---|
bin | 11100010101001100… |
… | …101110110110011000 |
3 | 2220112001101222020012 |
4 | 130111030232312120 |
5 | 444300112231412 |
6 | 21550331221052 |
7 | 2124563250653 |
oct | 342514566630 |
9 | 86461358205 |
10 | 30420430232 |
11 | 119a05a3535 |
12 | 5a8b8a7788 |
13 | 2b3a50a89a |
14 | 168820a89a |
15 | bd09c5c22 |
hex | 71532ed98 |
30420430232 has 32 divisors (see below), whose sum is σ = 57558949920. Its totient is φ = 15071781120.
The previous prime is 30420430217. The next prime is 30420430247. The reversal of 30420430232 is 23203402403.
It is an interprime number because it is at equal distance from previous prime (30420430217) and next prime (30420430247).
It is a junction number, because it is equal to n+sod(n) for n = 30420430198 and 30420430207.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585557 + ... + 635387.
It is an arithmetic number, because the mean of its divisors is an integer number (1798717185).
Almost surely, 230420430232 is an apocalyptic number.
It is an amenable number.
30420430232 is a deficient number, since it is larger than the sum of its proper divisors (27138519688).
30420430232 is a wasteful number, since it uses less digits than its factorization.
30420430232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50531 (or 50527 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 23.
Adding to 30420430232 its reverse (23203402403), we get a palindrome (53623832635).
The spelling of 30420430232 in words is "thirty billion, four hundred twenty million, four hundred thirty thousand, two hundred thirty-two".
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