Base | Representation |
---|---|
bin | 10010111010001001… |
… | …111010101011100010 |
3 | 1221101221201211122111 |
4 | 102322021322223202 |
5 | 313040033443020 |
6 | 13154352225534 |
7 | 1316061626143 |
oct | 227211725342 |
9 | 57357654574 |
10 | 20303031010 |
11 | 8679593779 |
12 | 3b2753b2aa |
13 | 1bb73c7222 |
14 | da8647aca |
15 | 7dc677d5a |
hex | 4ba27aae2 |
20303031010 has 16 divisors (see below), whose sum is σ = 36593492472. Its totient is φ = 8110537600.
The previous prime is 20303030989. The next prime is 20303031037. The reversal of 20303031010 is 1013030302.
It can be written as a sum of positive squares in 4 ways, for example, as 8089023721 + 12214007289 = 89939^2 + 110517^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1326361 + ... + 1341580.
Almost surely, 220303031010 is an apocalyptic number.
20303031010 is a deficient number, since it is larger than the sum of its proper divisors (16290461462).
20303031010 is a wasteful number, since it uses less digits than its factorization.
20303031010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2668709.
The product of its (nonzero) digits is 54, while the sum is 13.
Adding to 20303031010 its reverse (1013030302), we get a palindrome (21316061312).
The spelling of 20303031010 in words is "twenty billion, three hundred three million, thirty-one thousand, ten".
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