Base | Representation |
---|---|
bin | 11100000100111010… |
… | …001111101000110010 |
3 | 2212211000011210221120 |
4 | 130010322033220302 |
5 | 443220132221323 |
6 | 21503250003110 |
7 | 2115034350516 |
oct | 340472175062 |
9 | 85730153846 |
10 | 30147148338 |
11 | 1187030882a |
12 | 5a14276496 |
13 | 2ac5a06018 |
14 | 165dbd0146 |
15 | bb69e35e3 |
hex | 704e8fa32 |
30147148338 has 32 divisors (see below), whose sum is σ = 60748541952. Its totient is φ = 9973616400.
The previous prime is 30147148337. The next prime is 30147148349. The reversal of 30147148338 is 83384174103.
It is a self number, because there is not a number n which added to its sum of digits gives 30147148338.
It is not an unprimeable number, because it can be changed into a prime (30147148337) 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 15 ways as a sum of consecutive naturals, for example, 408843 + ... + 476913.
It is an arithmetic number, because the mean of its divisors is an integer number (1898391936).
Almost surely, 230147148338 is an apocalyptic number.
30147148338 is an abundant number, since it is smaller than the sum of its proper divisors (30601393614).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30147148338 is a wasteful number, since it uses less digits than its factorization.
30147148338 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68630.
The product of its (nonzero) digits is 193536, while the sum is 42.
The spelling of 30147148338 in words is "thirty billion, one hundred forty-seven million, one hundred forty-eight thousand, three hundred thirty-eight".
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