Base | Representation |
---|---|
bin | 11000001111001010… |
… | …10101100101001010 |
3 | 1020120211121200212021 |
4 | 30013211111211022 |
5 | 203122101130442 |
6 | 5551103035054 |
7 | 640311165265 |
oct | 140745254512 |
9 | 36524550767 |
10 | 13012130122 |
11 | 557800aa52 |
12 | 263189ba8a |
13 | 12c4a5aca4 |
14 | 8b6205cdc |
15 | 51254ae67 |
hex | 30795594a |
13012130122 has 8 divisors (see below), whose sum is σ = 19690922916. Its totient is φ = 6448489152.
The previous prime is 13012130119. The next prime is 13012130129. The reversal of 13012130122 is 22103121031.
It can be written as a sum of positive squares in 2 ways, for example, as 8787000121 + 4225130001 = 93739^2 + 65001^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 13012130096 and 13012130105.
It is not an unprimeable number, because it can be changed into a prime (13012130129) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28787673 + ... + 28788124.
Almost surely, 213012130122 is an apocalyptic number.
13012130122 is a deficient number, since it is larger than the sum of its proper divisors (6678792794).
13012130122 is a wasteful number, since it uses less digits than its factorization.
13012130122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57575912.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 13012130122 its reverse (22103121031), we get a palindrome (35115251153).
Subtracting 13012130122 from its reverse (22103121031), we obtain a palindrome (9090990909).
The spelling of 13012130122 in words is "thirteen billion, twelve million, one hundred thirty thousand, one hundred twenty-two".
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