Base | Representation |
---|---|
bin | 10011000000001011… |
… | …00111100100001011 |
3 | 222022222220022121120 |
4 | 21200011213210023 |
5 | 131343204120412 |
6 | 4404200410323 |
7 | 510546511566 |
oct | 114005474413 |
9 | 28288808546 |
10 | 10202020107 |
11 | 4365857784 |
12 | 1b887769a3 |
13 | c678010b6 |
14 | 6cad0d4dd |
15 | 3ea9b5b8c |
hex | 26016790b |
10202020107 has 4 divisors (see below), whose sum is σ = 13602693480. Its totient is φ = 6801346736.
The previous prime is 10202020099. The next prime is 10202020121. The reversal of 10202020107 is 70102020201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70102020201 = 3 ⋅23367340067.
It is a cyclic number.
It is not a de Polignac number, because 10202020107 - 23 = 10202020099 is a prime.
It is not an unprimeable number, because it can be changed into a prime (10202720107) 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, 1700336682 + ... + 1700336687.
It is an arithmetic number, because the mean of its divisors is an integer number (3400673370).
Almost surely, 210202020107 is an apocalyptic number.
10202020107 is a deficient number, since it is larger than the sum of its proper divisors (3400673373).
10202020107 is an equidigital number, since it uses as much as digits as its factorization.
10202020107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3400673372.
The product of its (nonzero) digits is 56, while the sum is 15.
Adding to 10202020107 its reverse (70102020201), we get a palindrome (80304040308).
The spelling of 10202020107 in words is "ten billion, two hundred two million, twenty thousand, one hundred seven".
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