Base | Representation |
---|---|
bin | 10010101001010010… |
… | …010110011101100100 |
3 | 1220200020012212021002 |
4 | 102221102112131210 |
5 | 312000111414114 |
6 | 13110322412432 |
7 | 1306054304213 |
oct | 225122263544 |
9 | 56606185232 |
10 | 20020029284 |
11 | 854386a352 |
12 | 3a68801118 |
13 | 1b7089b498 |
14 | d7cc1b07a |
15 | 7c28c57de |
hex | 4a9496764 |
20020029284 has 12 divisors (see below), whose sum is σ = 35039055744. Its totient is φ = 10008870504.
The previous prime is 20020029283. The next prime is 20020029287. The reversal of 20020029284 is 48292002002.
It is not an unprimeable number, because it can be changed into a prime (20020029283) 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, 246044 + ... + 317139.
It is an arithmetic number, because the mean of its divisors is an integer number (2919921312).
Almost surely, 220020029284 is an apocalyptic number.
It is an amenable number.
20020029284 is a deficient number, since it is larger than the sum of its proper divisors (15019026460).
20020029284 is a wasteful number, since it uses less digits than its factorization.
20020029284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 572074 (or 572072 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 29.
The spelling of 20020029284 in words is "twenty billion, twenty million, twenty-nine thousand, two hundred eighty-four".
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