Base | Representation |
---|---|
bin | 1010011110110100… |
… | …1000111101111000 |
3 | 21021002100010101211 |
4 | 2213231020331320 |
5 | 21230242101110 |
6 | 1143105452504 |
7 | 126503305621 |
oct | 24755107570 |
9 | 7232303354 |
10 | 2813628280 |
11 | 1214246631 |
12 | 666341134 |
13 | 35abbc408 |
14 | 1c9970a48 |
15 | 11702c98a |
hex | a7b48f78 |
2813628280 has 32 divisors (see below), whose sum is σ = 6485073840. Its totient is φ = 1098000640.
The previous prime is 2813628263. The next prime is 2813628317. The reversal of 2813628280 is 828263182.
2813628280 is nontrivially palindromic in base 7.
It is a Harshad number since it is a multiple of its sum of digits (40).
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, 856174 + ... + 859453.
Almost surely, 22813628280 is an apocalyptic number.
2813628280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2813628280 is an abundant number, since it is smaller than the sum of its proper divisors (3671445560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2813628280 is a wasteful number, since it uses less digits than its factorization.
2813628280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1715679 (or 1715675 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 40.
The square root of 2813628280 is about 53043.6450482054. The cubic root of 2813628280 is about 1411.7427740207.
The spelling of 2813628280 in words is "two billion, eight hundred thirteen million, six hundred twenty-eight thousand, two hundred eighty".
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