Base | Representation |
---|---|
bin | 10010101000101110… |
… | …000100111100011100 |
3 | 1220122120022202110021 |
4 | 102220232010330130 |
5 | 311440143122343 |
6 | 13105342521524 |
7 | 1305610421320 |
oct | 225056047434 |
9 | 56576282407 |
10 | 20010520348 |
11 | 8539465125 |
12 | 3a655962a4 |
13 | 1b6b91c2b0 |
14 | d7b863980 |
15 | 7c1b480ed |
hex | 4a8b84f1c |
20010520348 has 24 divisors (see below), whose sum is σ = 43099583072. Its totient is φ = 7916249664.
The previous prime is 20010520333. The next prime is 20010520357. The reversal of 20010520348 is 84302501002.
It is a super-2 number, since 2×200105203482 (a number of 21 digits) contains 22 as substring.
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, 27486615 + ... + 27487342.
Almost surely, 220010520348 is an apocalyptic number.
20010520348 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
20010520348 is an abundant number, since it is smaller than the sum of its proper divisors (23089062724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20010520348 is a wasteful number, since it uses less digits than its factorization.
20010520348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54973981 (or 54973979 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 25.
The spelling of 20010520348 in words is "twenty billion, ten million, five hundred twenty thousand, three hundred forty-eight".
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