Base | Representation |
---|---|
bin | 11100010111100110… |
… | …00110010101010010 |
3 | 1110022102112221022111 |
4 | 32023303012111102 |
5 | 222142431031234 |
6 | 10555142455534 |
7 | 1046264446012 |
oct | 161363062522 |
9 | 43272487274 |
10 | 15230330194 |
11 | 6506140552 |
12 | 2b507345aa |
13 | 1589492701 |
14 | a46a5dc42 |
15 | 5e2160664 |
hex | 38bcc6552 |
15230330194 has 32 divisors (see below), whose sum is σ = 24972595200. Its totient is φ = 6939749520.
The previous prime is 15230330191. The next prime is 15230330201. The reversal of 15230330194 is 49103303251.
15230330194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is not an unprimeable number, because it can be changed into a prime (15230330191) 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, 158017 + ... + 235435.
It is an arithmetic number, because the mean of its divisors is an integer number (780393600).
Almost surely, 215230330194 is an apocalyptic number.
15230330194 is a deficient number, since it is larger than the sum of its proper divisors (9742265006).
15230330194 is a wasteful number, since it uses less digits than its factorization.
15230330194 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77638.
The product of its (nonzero) digits is 9720, while the sum is 31.
The spelling of 15230330194 in words is "fifteen billion, two hundred thirty million, three hundred thirty thousand, one hundred ninety-four".
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