Base | Representation |
---|---|
bin | 10010101001011110… |
… | …011111101111010110 |
3 | 1220200110012121112000 |
4 | 102221132133233112 |
5 | 312001420304024 |
6 | 13110514540130 |
7 | 1306123334220 |
oct | 225136375726 |
9 | 56613177460 |
10 | 20023213014 |
11 | 8545644332 |
12 | 3a69897646 |
13 | 1b7144464c |
14 | d7d409410 |
15 | 7c2d03cc9 |
hex | 4a979fbd6 |
20023213014 has 64 divisors (see below), whose sum is σ = 50887457280. Its totient is φ = 5716997280.
The previous prime is 20023212983. The next prime is 20023213019. The reversal of 20023213014 is 41031232002.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20023213019) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 558304 + ... + 593084.
It is an arithmetic number, because the mean of its divisors is an integer number (795116520).
Almost surely, 220023213014 is an apocalyptic number.
20023213014 is an abundant number, since it is smaller than the sum of its proper divisors (30864244266).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20023213014 is a wasteful number, since it uses less digits than its factorization.
20023213014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36322 (or 36316 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 20023213014 its reverse (41031232002), we get a palindrome (61054445016).
The spelling of 20023213014 in words is "twenty billion, twenty-three million, two hundred thirteen thousand, fourteen".
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