Base | Representation |
---|---|
bin | 10001010100010… |
… | …01000101110101 |
3 | 101010100020010200 |
4 | 20222021011311 |
5 | 244141440023 |
6 | 22225311113 |
7 | 3412506105 |
oct | 1052110565 |
9 | 333306120 |
10 | 145265013 |
11 | 74aa8833 |
12 | 40795499 |
13 | 2413193a |
14 | 15415205 |
15 | cb46743 |
hex | 8a89175 |
145265013 has 24 divisors (see below), whose sum is σ = 222643200. Its totient is φ = 91010304.
The previous prime is 145264981. The next prime is 145265027. The reversal of 145265013 is 310562541.
145265013 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 650 + 1 + 3 = 666.
It is not a de Polignac number, because 145265013 - 25 = 145264981 is a prime.
It is a super-2 number, since 2×1452650132 = 42203848003780338, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145265053) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18373 + ... + 25061.
It is an arithmetic number, because the mean of its divisors is an integer number (9276800).
Almost surely, 2145265013 is an apocalyptic number.
It is an amenable number.
145265013 is a deficient number, since it is larger than the sum of its proper divisors (77378187).
145265013 is a wasteful number, since it uses less digits than its factorization.
145265013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6841 (or 6838 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The square root of 145265013 is about 12052.5936212916. The cubic root of 145265013 is about 525.6786543154.
The spelling of 145265013 in words is "one hundred forty-five million, two hundred sixty-five thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •