Base | Representation |
---|---|
bin | 1011110000111001011… |
… | …0011001001000011000 |
3 | 201022122222201211111202 |
4 | 2330032112121020120 |
5 | 11302402134322130 |
6 | 232502334413332 |
7 | 20413221321551 |
oct | 2741626311030 |
9 | 638588654452 |
10 | 202104214040 |
11 | 78791618373 |
12 | 33204361248 |
13 | 1609b254141 |
14 | 9ad3747328 |
15 | 53cd070145 |
hex | 2f0e599218 |
202104214040 has 32 divisors (see below), whose sum is σ = 456503899680. Its totient is φ = 80527122432.
The previous prime is 202104214033. The next prime is 202104214063. The reversal of 202104214040 is 40412401202.
It is a super-2 number, since 2×2021042140402 (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 pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9819692 + ... + 9840251.
It is an arithmetic number, because the mean of its divisors is an integer number (14265746865).
Almost surely, 2202104214040 is an apocalyptic number.
202104214040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
202104214040 is an abundant number, since it is smaller than the sum of its proper divisors (254399685640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202104214040 is a wasteful number, since it uses less digits than its factorization.
202104214040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19660211 (or 19660207 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 20.
Adding to 202104214040 its reverse (40412401202), we get a palindrome (242516615242).
The spelling of 202104214040 in words is "two hundred two billion, one hundred four million, two hundred fourteen thousand, forty".
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