Base | Representation |
---|---|
bin | 101101011100… |
… | …001110000110 |
3 | 211102012021210 |
4 | 231130032012 |
5 | 11022141240 |
6 | 1103152250 |
7 | 203152032 |
oct | 55341606 |
9 | 24365253 |
10 | 11912070 |
11 | 67a6795 |
12 | 3ba5686 |
13 | 2610c81 |
14 | 18211c2 |
15 | 10a4780 |
hex | b5c386 |
11912070 has 32 divisors (see below), whose sum is σ = 30271968. Its totient is φ = 2989568.
The previous prime is 11912063. The next prime is 11912071. The reversal of 11912070 is 7021911.
11912070 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11912071) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11169 + ... + 12188.
It is an arithmetic number, because the mean of its divisors is an integer number (945999).
Almost surely, 211912070 is an apocalyptic number.
11912070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
11912070 is an abundant number, since it is smaller than the sum of its proper divisors (18359898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11912070 is a wasteful number, since it uses less digits than its factorization.
11912070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23384.
The product of its (nonzero) digits is 126, while the sum is 21.
The square root of 11912070 is about 3451.3866778441. The cubic root of 11912070 is about 228.3822841871.
Adding to 11912070 its reverse (7021911), we get a palindrome (18933981).
The spelling of 11912070 in words is "eleven million, nine hundred twelve thousand, seventy".
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