Base | Representation |
---|---|
bin | 1010010110110101… |
… | …0111111001110110 |
3 | 21011202022111022002 |
4 | 2211231113321312 |
5 | 21143203310110 |
6 | 1135511535302 |
7 | 125615520641 |
oct | 24555277166 |
9 | 7152274262 |
10 | 2780135030 |
11 | 11a734a662 |
12 | 65708a532 |
13 | 353c9341a |
14 | 1c5332a58 |
15 | 114113aa5 |
hex | a5b57e76 |
2780135030 has 32 divisors (see below), whose sum is σ = 5047593408. Its totient is φ = 1102464000.
The previous prime is 2780135021. The next prime is 2780135077. The reversal of 2780135030 is 305310872.
It is a junction number, because it is equal to n+sod(n) for n = 2780134984 and 2780135002.
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, 559055 + ... + 564005.
It is an arithmetic number, because the mean of its divisors is an integer number (157737294).
Almost surely, 22780135030 is an apocalyptic number.
2780135030 is a deficient number, since it is larger than the sum of its proper divisors (2267458378).
2780135030 is a wasteful number, since it uses less digits than its factorization.
2780135030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5432.
The product of its (nonzero) digits is 5040, while the sum is 29.
The square root of 2780135030 is about 52726.9857852694. The cubic root of 2780135030 is about 1406.1186331146.
The spelling of 2780135030 in words is "two billion, seven hundred eighty million, one hundred thirty-five thousand, thirty".
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