Base | Representation |
---|---|
bin | 100001010000000… |
… | …0100000110100100 |
3 | 2212202101111222000 |
4 | 1002200010012210 |
5 | 4241104423133 |
6 | 302413205300 |
7 | 36435210354 |
oct | 10240040644 |
9 | 2782344860 |
10 | 1115701668 |
11 | 52286a1a4 |
12 | 271790830 |
13 | 14a1ba803 |
14 | a8268b64 |
15 | 67e38413 |
hex | 428041a4 |
1115701668 has 48 divisors (see below), whose sum is σ = 2933320320. Its totient is φ = 366660000.
The previous prime is 1115701591. The next prime is 1115701723. The reversal of 1115701668 is 8661075111.
1115701668 is a `hidden beast` number, since 1 + 11 + 570 + 16 + 68 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 65083 + ... + 80418.
It is an arithmetic number, because the mean of its divisors is an integer number (61110840).
Almost surely, 21115701668 is an apocalyptic number.
1115701668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1115701668 is an abundant number, since it is smaller than the sum of its proper divisors (1817618652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1115701668 is a wasteful number, since it uses less digits than its factorization.
1115701668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145585 (or 145577 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 36.
The square root of 1115701668 is about 33402.1207111165. The cubic root of 1115701668 is about 1037.1686015251.
Adding to 1115701668 its reverse (8661075111), we get a palindrome (9776776779).
The spelling of 1115701668 in words is "one billion, one hundred fifteen million, seven hundred one thousand, six hundred sixty-eight".
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