Base | Representation |
---|---|
bin | 1010010100010000… |
… | …0100101011011100 |
3 | 21010222221102221001 |
4 | 2211010010223130 |
5 | 21132420332010 |
6 | 1134443520044 |
7 | 125424506236 |
oct | 24504045334 |
9 | 7128842831 |
10 | 2769308380 |
11 | 11a1225413 |
12 | 653529024 |
13 | 351972517 |
14 | 1c3b15256 |
15 | 1131c5c3a |
hex | a5104adc |
2769308380 has 12 divisors (see below), whose sum is σ = 5815547640. Its totient is φ = 1107723344.
The previous prime is 2769308371. The next prime is 2769308389. The reversal of 2769308380 is 838039672.
It is an interprime number because it is at equal distance from previous prime (2769308371) and next prime (2769308389).
It is a self number, because there is not a number n which added to its sum of digits gives 2769308380.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2769308389) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69232690 + ... + 69232729.
It is an arithmetic number, because the mean of its divisors is an integer number (484628970).
Almost surely, 22769308380 is an apocalyptic number.
2769308380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2769308380 is an abundant number, since it is smaller than the sum of its proper divisors (3046239260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2769308380 is a wasteful number, since it uses less digits than its factorization.
2769308380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138465428 (or 138465426 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 46.
The square root of 2769308380 is about 52624.2185690201. The cubic root of 2769308380 is about 1404.2909810231.
The spelling of 2769308380 in words is "two billion, seven hundred sixty-nine million, three hundred eight thousand, three hundred eighty".
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