Base | Representation |
---|---|
bin | 111110111010111… |
… | …1110001010010000 |
3 | 12110010210011110012 |
4 | 1331311332022100 |
5 | 13310443101430 |
6 | 545300254052 |
7 | 103214520200 |
oct | 17565761220 |
9 | 5403704405 |
10 | 2111300240 |
11 | 993857135 |
12 | 4ab0a1328 |
13 | 2785464aa |
14 | 16058c400 |
15 | c554a695 |
hex | 7dd7e290 |
2111300240 has 60 divisors (see below), whose sum is σ = 5710215996. Its totient is φ = 723873024.
The previous prime is 2111300239. The next prime is 2111300281. The reversal of 2111300240 is 420031112.
It can be written as a sum of positive squares in 2 ways, for example, as 449270416 + 1662029824 = 21196^2 + 40768^2 .
It is a Harshad number since it is a multiple of its sum of digits (14).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265379 + ... + 273218.
Almost surely, 22111300240 is an apocalyptic number.
2111300240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2111300240 is an abundant number, since it is smaller than the sum of its proper divisors (3598915756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2111300240 is a wasteful number, since it uses less digits than its factorization.
2111300240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 538624 (or 538611 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 2111300240 is about 45948.8872552971. The cubic root of 2111300240 is about 1282.8720178471.
Adding to 2111300240 its reverse (420031112), we get a palindrome (2531331352).
The spelling of 2111300240 in words is "two billion, one hundred eleven million, three hundred thousand, two hundred forty".
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