Base | Representation |
---|---|
bin | 11000011100011000… |
… | …11011101100000011 |
3 | 1020212120022121102111 |
4 | 30032030123230003 |
5 | 203333444321201 |
6 | 10010104200151 |
7 | 643126005550 |
oct | 141614335403 |
9 | 36776277374 |
10 | 13123042051 |
11 | 56246847a9 |
12 | 2662a69057 |
13 | 1311a22452 |
14 | 8c6c37a27 |
15 | 51c158b51 |
hex | 30e31bb03 |
13123042051 has 8 divisors (see below), whose sum is σ = 15280739424. Its totient is φ = 11036088960.
The previous prime is 13123041947. The next prime is 13123042063. The reversal of 13123042051 is 15024032131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13123042051 - 211 = 13123040003 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13123045051) 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, 17685670 + ... + 17686411.
It is an arithmetic number, because the mean of its divisors is an integer number (1910092428).
Almost surely, 213123042051 is an apocalyptic number.
13123042051 is a deficient number, since it is larger than the sum of its proper divisors (2157697373).
13123042051 is an equidigital number, since it uses as much as digits as its factorization.
13123042051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35372141.
The product of its (nonzero) digits is 720, while the sum is 22.
Adding to 13123042051 its reverse (15024032131), we get a palindrome (28147074182).
The spelling of 13123042051 in words is "thirteen billion, one hundred twenty-three million, forty-two thousand, fifty-one".
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