Base | Representation |
---|---|
bin | 111111111110111… |
… | …0111101011100000 |
3 | 12112121211002211010 |
4 | 1333331313223200 |
5 | 13344103102110 |
6 | 553012020520 |
7 | 104126364243 |
oct | 17775675340 |
9 | 5477732733 |
10 | 2146925280 |
11 | a01979815 |
12 | 4bb001740 |
13 | 282a3a8b6 |
14 | 1651c325a |
15 | c8736020 |
hex | 7ff77ae0 |
2146925280 has 96 divisors (see below), whose sum is σ = 6803564544. Its totient is φ = 569063936.
The previous prime is 2146925269. The next prime is 2146925293. The reversal of 2146925280 is 825296412.
It is a tau number, because it is divible by the number of its divisors (96).
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, 66769 + ... + 93551.
It is an arithmetic number, because the mean of its divisors is an integer number (70870464).
Almost surely, 22146925280 is an apocalyptic number.
2146925280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2146925280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3401782272).
2146925280 is an abundant number, since it is smaller than the sum of its proper divisors (4656639264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2146925280 is a wasteful number, since it uses less digits than its factorization.
2146925280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26968 (or 26960 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 39.
The square root of 2146925280 is about 46334.9250565920. The cubic root of 2146925280 is about 1290.0473271501.
The spelling of 2146925280 in words is "two billion, one hundred forty-six million, nine hundred twenty-five thousand, two hundred eighty".
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