Base | Representation |
---|---|
bin | 10010110101100101… |
… | …00100111010010101 |
3 | 222002210122212100102 |
4 | 21122302210322111 |
5 | 131202431024141 |
6 | 4351303423445 |
7 | 505420202144 |
oct | 113262447225 |
9 | 28083585312 |
10 | 10113142421 |
11 | 431a672648 |
12 | 1b62a54b85 |
13 | c52282c55 |
14 | 6bd1b575b |
15 | 3e2cab99b |
hex | 25aca4e95 |
10113142421 has 8 divisors (see below), whose sum is σ = 10684465920. Its totient is φ = 9556658608.
The previous prime is 10113142399. The next prime is 10113142433. The reversal of 10113142421 is 12424131101.
10113142421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10113142421 - 218 = 10112880277 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10113142393 and 10113142402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10113142621) 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 7 ways as a sum of consecutive naturals, for example, 3708521 + ... + 3711246.
It is an arithmetic number, because the mean of its divisors is an integer number (1335558240).
Almost surely, 210113142421 is an apocalyptic number.
It is an amenable number.
10113142421 is a deficient number, since it is larger than the sum of its proper divisors (571323499).
10113142421 is an equidigital number, since it uses as much as digits as its factorization.
10113142421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7419843.
The product of its (nonzero) digits is 192, while the sum is 20.
Adding to 10113142421 its reverse (12424131101), we get a palindrome (22537273522).
The spelling of 10113142421 in words is "ten billion, one hundred thirteen million, one hundred forty-two thousand, four hundred twenty-one".
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