Base | Representation |
---|---|
bin | 11100010101111010… |
… | …110010101001010111 |
3 | 2220112220010101212212 |
4 | 130111322302221113 |
5 | 444311210120112 |
6 | 21551442104035 |
7 | 2125101006434 |
oct | 342572625127 |
9 | 86486111785 |
10 | 30432504407 |
11 | 119a739aa98 |
12 | 5a9394b01b |
13 | 2b3cb77576 |
14 | 1689a70b8b |
15 | bd1aad522 |
hex | 715eb2a57 |
30432504407 has 2 divisors, whose sum is σ = 30432504408. Its totient is φ = 30432504406.
The previous prime is 30432504379. The next prime is 30432504419. The reversal of 30432504407 is 70440523403.
It is a strong prime.
It is an emirp because it is prime and its reverse (70440523403) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30432504407 - 222 = 30428310103 is a prime.
It is a super-2 number, since 2×304325044072 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30432506407) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15216252203 + 15216252204.
It is an arithmetic number, because the mean of its divisors is an integer number (15216252204).
Almost surely, 230432504407 is an apocalyptic number.
30432504407 is a deficient number, since it is larger than the sum of its proper divisors (1).
30432504407 is an equidigital number, since it uses as much as digits as its factorization.
30432504407 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 40320, while the sum is 32.
The spelling of 30432504407 in words is "thirty billion, four hundred thirty-two million, five hundred four thousand, four hundred seven".
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