Base | Representation |
---|---|
bin | 11100001000001000… |
… | …100011111101000111 |
3 | 2212221202221121110110 |
4 | 130020020203331013 |
5 | 443323003430343 |
6 | 21512501124103 |
7 | 2116262150430 |
oct | 341010437507 |
9 | 85852847413 |
10 | 30201233223 |
11 | 11898899587 |
12 | 5a2a3b9633 |
13 | 2b03c91805 |
14 | 166706c487 |
15 | bbb628833 |
hex | 708223f47 |
30201233223 has 32 divisors (see below), whose sum is σ = 47138223616. Its totient is φ = 16839664128.
The previous prime is 30201233203. The next prime is 30201233233. The reversal of 30201233223 is 32233210203.
It is not a de Polignac number, because 30201233223 - 210 = 30201232199 is a prime.
It is a super-2 number, since 2×302012332232 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
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 30201233223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30201233203) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 916611 + ... + 948987.
It is an arithmetic number, because the mean of its divisors is an integer number (1473069488).
Almost surely, 230201233223 is an apocalyptic number.
30201233223 is a deficient number, since it is larger than the sum of its proper divisors (16936990393).
30201233223 is a wasteful number, since it uses less digits than its factorization.
30201233223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33463.
The product of its (nonzero) digits is 1296, while the sum is 21.
Adding to 30201233223 its reverse (32233210203), we get a palindrome (62434443426).
The spelling of 30201233223 in words is "thirty billion, two hundred one million, two hundred thirty-three thousand, two hundred twenty-three".
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