Base | Representation |
---|---|
bin | 11100001000110101… |
… | …110101001100110100 |
3 | 2212222121021112002022 |
4 | 130020311311030310 |
5 | 443334023202330 |
6 | 21514003332312 |
7 | 2116465054433 |
oct | 341065651464 |
9 | 85877245068 |
10 | 30213100340 |
11 | 118a4564515 |
12 | 5a32381098 |
13 | 2b06588187 |
14 | 166887b11a |
15 | bbc6beae5 |
hex | 708d75334 |
30213100340 has 24 divisors (see below), whose sum is σ = 65494205952. Its totient is φ = 11695393440.
The previous prime is 30213100303. The next prime is 30213100343. The reversal of 30213100340 is 4300131203.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30213100343) 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 7 ways as a sum of consecutive naturals, for example, 24364784 + ... + 24366023.
It is an arithmetic number, because the mean of its divisors is an integer number (2728925248).
Almost surely, 230213100340 is an apocalyptic number.
It is an amenable number.
30213100340 is an abundant number, since it is smaller than the sum of its proper divisors (35281105612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30213100340 is a wasteful number, since it uses less digits than its factorization.
30213100340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48730847 (or 48730845 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 30213100340 its reverse (4300131203), we get a palindrome (34513231543).
The spelling of 30213100340 in words is "thirty billion, two hundred thirteen million, one hundred thousand, three hundred forty".
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