Base | Representation |
---|---|
bin | 11100011100101101… |
… | …000110000101000001 |
3 | 2220211211100120211212 |
4 | 130130231012011001 |
5 | 1000024331320442 |
6 | 22011030215505 |
7 | 2130652505051 |
oct | 343455060501 |
9 | 86754316755 |
10 | 30546354497 |
11 | 11a5569127a |
12 | 5b05ab4595 |
13 | 2b5a62a199 |
14 | 169ac29561 |
15 | bdba9ba82 |
hex | 71cb46141 |
30546354497 has 4 divisors (see below), whose sum is σ = 30550264020. Its totient is φ = 30542444976.
The previous prime is 30546354457. The next prime is 30546354551. The reversal of 30546354497 is 79445364503.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79445364503 = 67 ⋅1185751709.
It can be written as a sum of positive squares in 2 ways, for example, as 12587942416 + 17958412081 = 112196^2 + 134009^2 .
It is a cyclic number.
It is not a de Polignac number, because 30546354497 - 226 = 30479245633 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30546354407) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1943018 + ... + 1958675.
It is an arithmetic number, because the mean of its divisors is an integer number (7637566005).
Almost surely, 230546354497 is an apocalyptic number.
It is an amenable number.
30546354497 is a deficient number, since it is larger than the sum of its proper divisors (3909523).
30546354497 is an equidigital number, since it uses as much as digits as its factorization.
30546354497 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3909522.
The product of its (nonzero) digits is 5443200, while the sum is 50.
The spelling of 30546354497 in words is "thirty billion, five hundred forty-six million, three hundred fifty-four thousand, four hundred ninety-seven".
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