Base | Representation |
---|---|
bin | 1011110001000000010… |
… | …0100000000111010000 |
3 | 201022202000001022002002 |
4 | 2330100010200013100 |
5 | 11302432032002410 |
6 | 232505245213132 |
7 | 20414021550464 |
oct | 2742004400720 |
9 | 638660038062 |
10 | 202133078480 |
11 | 787a6942683 |
12 | 33211b611a8 |
13 | 160a421c2a8 |
14 | 9ad74dc4a4 |
15 | 53d08727a5 |
hex | 2f101201d0 |
202133078480 has 20 divisors (see below), whose sum is σ = 469959407652. Its totient is φ = 80853231360.
The previous prime is 202133078453. The next prime is 202133078489. The reversal of 202133078480 is 84870331202.
It can be written as a sum of positive squares in 2 ways, for example, as 67960318864 + 134172759616 = 260692^2 + 366296^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a super-2 number, since 2×2021330784802 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202133078489) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263331661 + ... + 1263331820.
Almost surely, 2202133078480 is an apocalyptic number.
202133078480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
202133078480 is an abundant number, since it is smaller than the sum of its proper divisors (267826329172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202133078480 is a wasteful number, since it uses less digits than its factorization.
202133078480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2526663494 (or 2526663488 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 38.
The spelling of 202133078480 in words is "two hundred two billion, one hundred thirty-three million, seventy-eight thousand, four hundred eighty".
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