Base | Representation |
---|---|
bin | 11100010101111001… |
… | …110011101010101010 |
3 | 2220112212122022000121 |
4 | 130111321303222222 |
5 | 444311123341232 |
6 | 21551432353454 |
7 | 2125065553363 |
oct | 342571635252 |
9 | 86485568017 |
10 | 30432246442 |
11 | 119a72341a4 |
12 | 5a9384588a |
13 | 2b3cab7020 |
14 | 1689a04b6a |
15 | bd1a5bd97 |
hex | 715e73aaa |
30432246442 has 16 divisors (see below), whose sum is σ = 49163695560. Its totient is φ = 14044534272.
The previous prime is 30432246413. The next prime is 30432246451. The reversal of 30432246442 is 24464223403.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 2053811761 + 28378434681 = 45319^2 + 168459^2 .
It is a super-2 number, since 2×304322464422 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30432246398 and 30432246407.
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, 350098 + ... + 428290.
Almost surely, 230432246442 is an apocalyptic number.
30432246442 is a deficient number, since it is larger than the sum of its proper divisors (18731449118).
30432246442 is a wasteful number, since it uses less digits than its factorization.
30432246442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93177.
The product of its (nonzero) digits is 110592, while the sum is 34.
Adding to 30432246442 its reverse (24464223403), we get a palindrome (54896469845).
The spelling of 30432246442 in words is "thirty billion, four hundred thirty-two million, two hundred forty-six thousand, four hundred forty-two".
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