Base | Representation |
---|---|
bin | 111111011011101… |
… | …0100111001111000 |
3 | 12111100000120211222 |
4 | 1332313110321320 |
5 | 13324334322020 |
6 | 551111411212 |
7 | 103513244216 |
oct | 17667247170 |
9 | 5440016758 |
10 | 2128432760 |
11 | 9a2499043 |
12 | 4b4983b08 |
13 | 27bc6468c |
14 | 16296bcb6 |
15 | c6cd1b25 |
hex | 7edd4e78 |
2128432760 has 32 divisors (see below), whose sum is σ = 4797530640. Its totient is φ = 849851904.
The previous prime is 2128432739. The next prime is 2128432781. The reversal of 2128432760 is 672348212.
It is an interprime number because it is at equal distance from previous prime (2128432739) and next prime (2128432781).
It is a self number, because there is not a number n which added to its sum of digits gives 2128432760.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24737 + ... + 69776.
Almost surely, 22128432760 is an apocalyptic number.
2128432760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2128432760 is an abundant number, since it is smaller than the sum of its proper divisors (2669097880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2128432760 is a wasteful number, since it uses less digits than its factorization.
2128432760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95087 (or 95083 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 35.
The square root of 2128432760 is about 46134.9407716104. The cubic root of 2128432760 is about 1286.3327046609.
The spelling of 2128432760 in words is "two billion, one hundred twenty-eight million, four hundred thirty-two thousand, seven hundred sixty".
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