Base | Representation |
---|---|
bin | 1011110111111110001… |
… | …0100000001011011000 |
3 | 201111120100001000210002 |
4 | 2331333202200023120 |
5 | 11320244310322130 |
6 | 233415012512132 |
7 | 20511250464653 |
oct | 2757742401330 |
9 | 644510030702 |
10 | 204003214040 |
11 | 7957655015a |
12 | 3365431b648 |
13 | 163117c7792 |
14 | 9c33a3089a |
15 | 548eb31b45 |
hex | 2f7f8a02d8 |
204003214040 has 128 divisors (see below), whose sum is σ = 480278937600. Its totient is φ = 77898723840.
The previous prime is 204003213983. The next prime is 204003214061. The reversal of 204003214040 is 40412300402.
It is a super-2 number, since 2×2040032140402 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28185302 + ... + 28192538.
It is an arithmetic number, because the mean of its divisors is an integer number (3752179200).
Almost surely, 2204003214040 is an apocalyptic number.
204003214040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 204003214040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240139468800).
204003214040 is an abundant number, since it is smaller than the sum of its proper divisors (276275723560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
204003214040 is a wasteful number, since it uses less digits than its factorization.
204003214040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7585 (or 7581 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
Adding to 204003214040 its reverse (40412300402), we get a palindrome (244415514442).
The spelling of 204003214040 in words is "two hundred four billion, three million, two hundred fourteen thousand, forty".
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