Base | Representation |
---|---|
bin | 101100011001111… |
… | …111101110011000 |
3 | 1220220212112111111 |
4 | 230121333232120 |
5 | 3011210341440 |
6 | 201532110104 |
7 | 24314332666 |
oct | 5431775630 |
9 | 1826775444 |
10 | 745012120 |
11 | 3525a36a6 |
12 | 189605334 |
13 | bb46c398 |
14 | 70d33c36 |
15 | 456144ea |
hex | 2c67fb98 |
745012120 has 16 divisors (see below), whose sum is σ = 1676277360. Its totient is φ = 298004832.
The previous prime is 745012091. The next prime is 745012127. The reversal of 745012120 is 21210547.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 745012091 and 745012100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (745012127) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9312612 + ... + 9312691.
It is an arithmetic number, because the mean of its divisors is an integer number (104767335).
Almost surely, 2745012120 is an apocalyptic number.
It is an amenable number.
745012120 is an abundant number, since it is smaller than the sum of its proper divisors (931265240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
745012120 is a wasteful number, since it uses less digits than its factorization.
745012120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18625314 (or 18625310 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 22.
The square root of 745012120 is about 27294.9101482309. The cubic root of 745012120 is about 906.5416860839.
Adding to 745012120 its reverse (21210547), we get a palindrome (766222667).
The spelling of 745012120 in words is "seven hundred forty-five million, twelve thousand, one hundred twenty".
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