Base | Representation |
---|---|
bin | 10010101000010101… |
… | …110001110011110000 |
3 | 1220122010100010200102 |
4 | 102220111301303300 |
5 | 311432030304022 |
6 | 13104554211532 |
7 | 1305502321343 |
oct | 225025616360 |
9 | 56563303612 |
10 | 20004150512 |
11 | 85359043a5 |
12 | 3a63423ba8 |
13 | 1b6a4cbb68 |
14 | d7aa8645a |
15 | 7c12daa92 |
hex | 4a8571cf0 |
20004150512 has 40 divisors (see below), whose sum is σ = 41169213216. Its totient is φ = 9383602176.
The previous prime is 20004150493. The next prime is 20004150533. The reversal of 20004150512 is 21505140002.
It is a congruent number.
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, 32348 + ... + 202619.
Almost surely, 220004150512 is an apocalyptic number.
It is an amenable number.
20004150512 is an abundant number, since it is smaller than the sum of its proper divisors (21165062704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20004150512 is a wasteful number, since it uses less digits than its factorization.
20004150512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 235305 (or 235299 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 20.
Adding to 20004150512 its reverse (21505140002), we get a palindrome (41509290514).
The spelling of 20004150512 in words is "twenty billion, four million, one hundred fifty thousand, five hundred twelve".
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