Base | Representation |
---|---|
bin | 10010111010100100… |
… | …100000100110111000 |
3 | 1221102102212000012011 |
4 | 102322210200212320 |
5 | 313043330031404 |
6 | 13155201455304 |
7 | 1316205112060 |
oct | 227244404670 |
9 | 57372760164 |
10 | 20310002104 |
11 | 8682515207 |
12 | 3b29941534 |
13 | 1bb8998232 |
14 | da95403a0 |
15 | 7dd0a3604 |
hex | 4ba9209b8 |
20310002104 has 32 divisors (see below), whose sum is σ = 43853673600. Its totient is φ = 8637838560.
The previous prime is 20310002099. The next prime is 20310002107. The reversal of 20310002104 is 40120001302.
It is a super-3 number, since 3×203100021043 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20310002107) 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, 1376934 + ... + 1391605.
It is an arithmetic number, because the mean of its divisors is an integer number (1370427300).
Almost surely, 220310002104 is an apocalyptic number.
It is an amenable number.
20310002104 is an abundant number, since it is smaller than the sum of its proper divisors (23543671496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20310002104 is a wasteful number, since it uses less digits than its factorization.
20310002104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2768683 (or 2768679 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 20310002104 its reverse (40120001302), we get a palindrome (60430003406).
The spelling of 20310002104 in words is "twenty billion, three hundred ten million, two thousand, one hundred four".
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