Base | Representation |
---|---|
bin | 111011101110010… |
… | …110001111111100 |
3 | 2120211110011010211 |
4 | 323232112033330 |
5 | 4023003134000 |
6 | 243232242204 |
7 | 33554622556 |
oct | 7356261774 |
9 | 2524404124 |
10 | 1002005500 |
11 | 474673621 |
12 | 23b6a0364 |
13 | 12c78cc82 |
14 | 971104d6 |
15 | 5ce7a7ba |
hex | 3bb963fc |
1002005500 has 48 divisors (see below), whose sum is σ = 2317127904. Its totient is φ = 377222400.
The previous prime is 1002005497. The next prime is 1002005513. The reversal of 1002005500 is 55002001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50442 + ... + 67441.
It is an arithmetic number, because the mean of its divisors is an integer number (48273498).
Almost surely, 21002005500 is an apocalyptic number.
1002005500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1002005500 is an abundant number, since it is smaller than the sum of its proper divisors (1315122404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1002005500 is a wasteful number, since it uses less digits than its factorization.
1002005500 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117919 (or 117907 counting only the distinct ones).
The product of its (nonzero) digits is 50, while the sum is 13.
The square root of 1002005500 is about 31654.4704583729. The cubic root of 1002005500 is about 1000.6680536050.
Adding to 1002005500 its reverse (55002001), we get a palindrome (1057007501).
The spelling of 1002005500 in words is "one billion, two million, five thousand, five hundred".
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