Base | Representation |
---|---|
bin | 11011111110000011… |
… | …110011001010001000 |
3 | 2212111222220110202222 |
4 | 123332003303022020 |
5 | 443001221300431 |
6 | 21444022313212 |
7 | 2112140411120 |
oct | 337603631210 |
9 | 85458813688 |
10 | 30032212616 |
11 | 1181144592a |
12 | 59a1888808 |
13 | 2aa7c63213 |
14 | 164c831c80 |
15 | bab88d57b |
hex | 6fe0f3288 |
30032212616 has 32 divisors (see below), whose sum is σ = 64365234240. Its totient is φ = 12868849728.
The previous prime is 30032212603. The next prime is 30032212619. The reversal of 30032212616 is 61621223003.
It is a super-2 number, since 2×300322126162 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30032212619) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331271 + ... + 412073.
It is an arithmetic number, because the mean of its divisors is an integer number (2011413570).
Almost surely, 230032212616 is an apocalyptic number.
It is an amenable number.
30032212616 is an abundant number, since it is smaller than the sum of its proper divisors (34333021624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30032212616 is a wasteful number, since it uses less digits than its factorization.
30032212616 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87453 (or 87449 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 26.
Adding to 30032212616 its reverse (61621223003), we get a palindrome (91653435619).
The spelling of 30032212616 in words is "thirty billion, thirty-two million, two hundred twelve thousand, six hundred sixteen".
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