Base | Representation |
---|---|
bin | 10011000000001011… |
… | …00111100100100011 |
3 | 222022222220022122110 |
4 | 21200011213210203 |
5 | 131343204121011 |
6 | 4404200410403 |
7 | 510546511632 |
oct | 114005474443 |
9 | 28288808573 |
10 | 10202020131 |
11 | 43658577a6 |
12 | 1b88776a03 |
13 | c67801104 |
14 | 6cad0d519 |
15 | 3ea9b5ba6 |
hex | 260167923 |
10202020131 has 8 divisors (see below), whose sum is σ = 13603705024. Its totient is φ = 6800841000.
The previous prime is 10202020121. The next prime is 10202020163. The reversal of 10202020131 is 13102020201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10202020131 - 25 = 10202020099 is a prime.
It is a super-2 number, since 2×102020201312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10202020121) 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, 76561 + ... + 162066.
It is an arithmetic number, because the mean of its divisors is an integer number (1700463128).
Almost surely, 210202020131 is an apocalyptic number.
10202020131 is a deficient number, since it is larger than the sum of its proper divisors (3401684893).
10202020131 is a wasteful number, since it uses less digits than its factorization.
10202020131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 252881.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 10202020131 its reverse (13102020201), we get a palindrome (23304040332).
The spelling of 10202020131 in words is "ten billion, two hundred two million, twenty thousand, one hundred thirty-one".
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