Base | Representation |
---|---|
bin | 10010101111010001… |
… | …101010011000000110 |
3 | 1220221020021220122101 |
4 | 102233101222120012 |
5 | 312201322341011 |
6 | 13124312222314 |
7 | 1311414346600 |
oct | 225721523006 |
9 | 56836256571 |
10 | 20120512006 |
11 | 8595560521 |
12 | 3a9639a99a |
13 | 1b8865090a |
14 | d8c2d6170 |
15 | 7cb6232c1 |
hex | 4af46a606 |
20120512006 has 24 divisors (see below), whose sum is σ = 35770669200. Its totient is φ = 8460374832.
The previous prime is 20120511979. The next prime is 20120512007. The reversal of 20120512006 is 60021502102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20120512007) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1931706 + ... + 1942093.
It is an arithmetic number, because the mean of its divisors is an integer number (1490444550).
Almost surely, 220120512006 is an apocalyptic number.
20120512006 is a deficient number, since it is larger than the sum of its proper divisors (15650157194).
20120512006 is a wasteful number, since it uses less digits than its factorization.
20120512006 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3873868 (or 3873861 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 19.
The spelling of 20120512006 in words is "twenty billion, one hundred twenty million, five hundred twelve thousand, six".
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