Base | Representation |
---|---|
bin | 10001010010011… |
… | …00011011000000 |
3 | 101002212121020221 |
4 | 20221030123000 |
5 | 244111012022 |
6 | 22220112424 |
7 | 3410422444 |
oct | 1051143300 |
9 | 332777227 |
10 | 145016512 |
11 | 74949063 |
12 | 40695714 |
13 | 240757b4 |
14 | 1538c824 |
15 | cae7cc7 |
hex | 8a4c6c0 |
145016512 has 56 divisors (see below), whose sum is σ = 312765440. Its totient is φ = 66458880.
The previous prime is 145016497. The next prime is 145016519. The reversal of 145016512 is 215610541.
It is a happy number.
It is a super-2 number, since 2×1450165122 = 42059577505292288, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (145016519) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35773 + ... + 39619.
Almost surely, 2145016512 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145016512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156382720).
145016512 is an abundant number, since it is smaller than the sum of its proper divisors (167748928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145016512 is a wasteful number, since it uses less digits than its factorization.
145016512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3909 (or 3899 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 25.
The square root of 145016512 is about 12042.2801827561. The cubic root of 145016512 is about 525.3787283873.
The spelling of 145016512 in words is "one hundred forty-five million, sixteen thousand, five hundred twelve".
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