Base | Representation |
---|---|
bin | 10010110100010000… |
… | …00100100110101010 |
3 | 222002000200202212201 |
4 | 21122020010212222 |
5 | 131142103000132 |
6 | 4350224530414 |
7 | 505223404111 |
oct | 113210044652 |
9 | 28060622781 |
10 | 10102000042 |
11 | 4314352172 |
12 | 1b5b180a0a |
13 | c4cb81424 |
14 | 6bb914c78 |
15 | 3e1d0a2e7 |
hex | 25a2049aa |
10102000042 has 8 divisors (see below), whose sum is σ = 15254698500. Its totient is φ = 5017100544.
The previous prime is 10102000021. The next prime is 10102000043. The reversal of 10102000042 is 24000020101.
It can be written as a sum of positive squares in 2 ways, for example, as 9668985561 + 433014481 = 98331^2 + 20809^2 .
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 = 10101999992 and 10102000028.
It is not an unprimeable number, because it can be changed into a prime (10102000043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16949367 + ... + 16949962.
Almost surely, 210102000042 is an apocalyptic number.
10102000042 is a deficient number, since it is larger than the sum of its proper divisors (5152698458).
10102000042 is a wasteful number, since it uses less digits than its factorization.
10102000042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33899480.
The product of its (nonzero) digits is 16, while the sum is 10.
Adding to 10102000042 its reverse (24000020101), we get a palindrome (34102020143).
The spelling of 10102000042 in words is "ten billion, one hundred two million, forty-two", and thus it is an aban number.
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