Base | Representation |
---|---|
bin | 11100100001000101… |
… | …100110001111001011 |
3 | 2221000221201101211211 |
4 | 130201011212033023 |
5 | 1000202142332124 |
6 | 22022214233551 |
7 | 2132534512144 |
oct | 344105461713 |
9 | 87027641754 |
10 | 30619886539 |
11 | 11a93144a60 |
12 | 5b266558b7 |
13 | 2b6c934578 |
14 | 16a68caacb |
15 | be3273e94 |
hex | 7211663cb |
30619886539 has 4 divisors (see below), whose sum is σ = 33403512600. Its totient is φ = 27836260480.
The previous prime is 30619886519. The next prime is 30619886543. The reversal of 30619886539 is 93568891603.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30619886539 - 29 = 30619886027 is a prime.
It is a super-2 number, since 2×306198865392 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30619886519) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391813014 + ... + 1391813035.
It is an arithmetic number, because the mean of its divisors is an integer number (8350878150).
Almost surely, 230619886539 is an apocalyptic number.
30619886539 is a deficient number, since it is larger than the sum of its proper divisors (2783626061).
30619886539 is a wasteful number, since it uses less digits than its factorization.
30619886539 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2783626060.
The product of its (nonzero) digits is 8398080, while the sum is 58.
The spelling of 30619886539 in words is "thirty billion, six hundred nineteen million, eight hundred eighty-six thousand, five hundred thirty-nine".
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