Base | Representation |
---|---|
bin | 10010110111101000… |
… | …11010011111011010 |
3 | 222011000010201000000 |
4 | 21123310122133122 |
5 | 131221340314432 |
6 | 4353121353430 |
7 | 506016663333 |
oct | 113364323732 |
9 | 28130121000 |
10 | 10130401242 |
11 | 4329390435 |
12 | 1b68798876 |
13 | c55a16780 |
14 | 6c15c928a |
15 | 3e456a57c |
hex | 25bd1a7da |
10130401242 has 56 divisors (see below), whose sum is σ = 24535563444. Its totient is φ = 3117040704.
The previous prime is 10130401231. The next prime is 10130401243. The reversal of 10130401242 is 24210403101.
10130401242 is a `hidden beast` number, since 10 + 13 + 0 + 401 + 242 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 10017807921 + 112593321 = 100089^2 + 10611^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (10130401243) by changing a digit.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 248283 + ... + 286190.
Almost surely, 210130401242 is an apocalyptic number.
10130401242 is an abundant number, since it is smaller than the sum of its proper divisors (14405162202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10130401242 is an equidigital number, since it uses as much as digits as its factorization.
10130401242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 534506 (or 534491 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 10130401242 its reverse (24210403101), we get a palindrome (34340804343).
The spelling of 10130401242 in words is "ten billion, one hundred thirty million, four hundred one thousand, two hundred forty-two".
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