Base | Representation |
---|---|
bin | 10010111010110100… |
… | …010010111001010000 |
3 | 1221102201122020122110 |
4 | 102322310102321100 |
5 | 313100404441430 |
6 | 13155430305320 |
7 | 1316255225442 |
oct | 227264227120 |
9 | 57381566573 |
10 | 20314140240 |
11 | 8684891259 |
12 | 3b2b1b8240 |
13 | 1bb97b6934 |
14 | da9cda492 |
15 | 7dd61e7b0 |
hex | 4bad12e50 |
20314140240 has 40 divisors (see below), whose sum is σ = 62973835488. Its totient is φ = 5417104000.
The previous prime is 20314140233. The next prime is 20314140311. The reversal of 20314140240 is 4204141302.
It is a tau number, because it is divible by the number of its divisors (40).
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, 42320886 + ... + 42321365.
Almost surely, 220314140240 is an apocalyptic number.
20314140240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20314140240 is an abundant number, since it is smaller than the sum of its proper divisors (42659695248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20314140240 is a wasteful number, since it uses less digits than its factorization.
20314140240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84642267 (or 84642261 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 20314140240 its reverse (4204141302), we get a palindrome (24518281542).
The spelling of 20314140240 in words is "twenty billion, three hundred fourteen million, one hundred forty thousand, two hundred forty".
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