Base | Representation |
---|---|
bin | 11100001000110110… |
… | …010000100000111111 |
3 | 2212222121111012120010 |
4 | 130020312100200333 |
5 | 443334040242343 |
6 | 21514005554303 |
7 | 2116466031555 |
oct | 341066204077 |
9 | 85877435503 |
10 | 30213212223 |
11 | 118a4630587 |
12 | 5a32415993 |
13 | 2b065c708c |
14 | 16688a9bd5 |
15 | bbc6e2d33 |
hex | 708d9083f |
30213212223 has 8 divisors (see below), whose sum is σ = 40317012736. Its totient is φ = 20125776600.
The previous prime is 30213212203. The next prime is 30213212233. The reversal of 30213212223 is 32221231203.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30213212223 - 29 = 30213211711 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30213212223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30213212203) 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, 4086913 + ... + 4094298.
It is an arithmetic number, because the mean of its divisors is an integer number (5039626592).
Almost surely, 230213212223 is an apocalyptic number.
30213212223 is a deficient number, since it is larger than the sum of its proper divisors (10103800513).
30213212223 is a wasteful number, since it uses less digits than its factorization.
30213212223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8182445.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 30213212223 its reverse (32221231203), we get a palindrome (62434443426).
The spelling of 30213212223 in words is "thirty billion, two hundred thirteen million, two hundred twelve thousand, two hundred twenty-three".
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