Base | Representation |
---|---|
bin | 11100010010011000… |
… | …011111100110000110 |
3 | 2220101202111111121101 |
4 | 130102120133212012 |
5 | 444201013304310 |
6 | 21541522410314 |
7 | 2123450533345 |
oct | 342230374606 |
9 | 86352444541 |
10 | 30373181830 |
11 | 11976962072 |
12 | 5a77b0099a |
13 | 2b307a6a54 |
14 | 1681c2bb5c |
15 | bcb79143a |
hex | 71261f986 |
30373181830 has 8 divisors (see below), whose sum is σ = 54671727312. Its totient is φ = 12149272728.
The previous prime is 30373181821. The next prime is 30373181831. The reversal of 30373181830 is 3818137303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 30373181830.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30373181831) 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 3 ways as a sum of consecutive naturals, for example, 1518659082 + ... + 1518659101.
It is an arithmetic number, because the mean of its divisors is an integer number (6833965914).
Almost surely, 230373181830 is an apocalyptic number.
30373181830 is a deficient number, since it is larger than the sum of its proper divisors (24298545482).
30373181830 is a wasteful number, since it uses less digits than its factorization.
30373181830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3037318190.
The product of its (nonzero) digits is 36288, while the sum is 37.
The spelling of 30373181830 in words is "thirty billion, three hundred seventy-three million, one hundred eighty-one thousand, eight hundred thirty".
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