Base | Representation |
---|---|
bin | 10111001011010101… |
… | …01100000111001110 |
3 | 1012010011220100222002 |
4 | 23211222230013032 |
5 | 200440413422130 |
6 | 5414414552302 |
7 | 620231446121 |
oct | 134552540716 |
9 | 35104810862 |
10 | 12443107790 |
11 | 53058a0063 |
12 | 24b3208692 |
13 | 1233bba399 |
14 | 8608043b8 |
15 | 4cc5ebb45 |
hex | 2e5aac1ce |
12443107790 has 16 divisors (see below), whose sum is σ = 23576415120. Its totient is φ = 4715282880.
The previous prime is 12443107783. The next prime is 12443107793. The reversal of 12443107790 is 9770134421.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12443107793) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32744831 + ... + 32745210.
It is an arithmetic number, because the mean of its divisors is an integer number (1473525945).
Almost surely, 212443107790 is an apocalyptic number.
12443107790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12443107790 is a deficient number, since it is larger than the sum of its proper divisors (11133307330).
12443107790 is a wasteful number, since it uses less digits than its factorization.
12443107790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65490067.
The product of its (nonzero) digits is 42336, while the sum is 38.
The spelling of 12443107790 in words is "twelve billion, four hundred forty-three million, one hundred seven thousand, seven hundred ninety".
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