Base | Representation |
---|---|
bin | 11100010101111101… |
… | …111100100011110010 |
3 | 2220112221200102100210 |
4 | 130111331330203302 |
5 | 444311413101232 |
6 | 21551511524550 |
7 | 2125111022553 |
oct | 342575744362 |
9 | 86487612323 |
10 | 30433331442 |
11 | 119a7905398 |
12 | 5a94089756 |
13 | 2b400a6b37 |
14 | 1689c0832a |
15 | bd1bc35cc |
hex | 715f7c8f2 |
30433331442 has 32 divisors (see below), whose sum is σ = 62305867008. Its totient is φ = 9904756176.
The previous prime is 30433331431. The next prime is 30433331447. The reversal of 30433331442 is 24413333403.
It is not an unprimeable number, because it can be changed into a prime (30433331447) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702133 + ... + 744215.
It is an arithmetic number, because the mean of its divisors is an integer number (1947058344).
Almost surely, 230433331442 is an apocalyptic number.
30433331442 is an abundant number, since it is smaller than the sum of its proper divisors (31872535566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30433331442 is a wasteful number, since it uses less digits than its factorization.
30433331442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44934.
The product of its (nonzero) digits is 31104, while the sum is 30.
Adding to 30433331442 its reverse (24413333403), we get a palindrome (54846664845).
The spelling of 30433331442 in words is "thirty billion, four hundred thirty-three million, three hundred thirty-one thousand, four hundred forty-two".
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