Base | Representation |
---|---|
bin | 111111101001100… |
… | …0110111011000000 |
3 | 12111211201120220211 |
4 | 1333103012323000 |
5 | 13333220344040 |
6 | 551531443504 |
7 | 103632165601 |
oct | 17723067300 |
9 | 5454646824 |
10 | 2135715520 |
11 | 9a6612754 |
12 | 4b72b6594 |
13 | 2806144c3 |
14 | 163905da8 |
15 | c776e8ea |
hex | 7f4c6ec0 |
2135715520 has 56 divisors (see below), whose sum is σ = 5353354800. Its totient is φ = 809321472.
The previous prime is 2135715497. The next prime is 2135715523. The reversal of 2135715520 is 255175312.
It is a super-2 number, since 2×21357155202 = 9122561564737740800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2135715523) by changing a digit.
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, 169555 + ... + 181714.
Almost surely, 22135715520 is an apocalyptic number.
2135715520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2135715520 is an abundant number, since it is smaller than the sum of its proper divisors (3217639280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2135715520 is a wasteful number, since it uses less digits than its factorization.
2135715520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 351305 (or 351295 counting only the distinct ones).
The product of its (nonzero) digits is 10500, while the sum is 31.
The square root of 2135715520 is about 46213.8022672881. The cubic root of 2135715520 is about 1287.7981628867.
The spelling of 2135715520 in words is "two billion, one hundred thirty-five million, seven hundred fifteen thousand, five hundred twenty".
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