Base | Representation |
---|---|
bin | 11100010010001011… |
… | …110001001101111110 |
3 | 2220101112020000220101 |
4 | 130102023301031332 |
5 | 444144140034032 |
6 | 21541323111314 |
7 | 2123410301326 |
oct | 342213611576 |
9 | 86345200811 |
10 | 30369846142 |
11 | 11974a939a9 |
12 | 5a7697253a |
13 | 2b2cba967c |
14 | 1681600286 |
15 | bcb332de7 |
hex | 7122f137e |
30369846142 has 4 divisors (see below), whose sum is σ = 45554769216. Its totient is φ = 15184923070.
The previous prime is 30369846121. The next prime is 30369846151. The reversal of 30369846142 is 24164896303.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24164896303 = 32413 ⋅745531.
It is a junction number, because it is equal to n+sod(n) for n = 30369846092 and 30369846101.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7592461534 + ... + 7592461537.
It is an arithmetic number, because the mean of its divisors is an integer number (11388692304).
Almost surely, 230369846142 is an apocalyptic number.
30369846142 is a deficient number, since it is larger than the sum of its proper divisors (15184923074).
30369846142 is a wasteful number, since it uses less digits than its factorization.
30369846142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15184923073.
The product of its (nonzero) digits is 746496, while the sum is 46.
The spelling of 30369846142 in words is "thirty billion, three hundred sixty-nine million, eight hundred forty-six thousand, one hundred forty-two".
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