Base | Representation |
---|---|
bin | 1110101101111… |
… | …10010111101001 |
3 | 22121022120121002 |
4 | 13112332113221 |
5 | 223101310040 |
6 | 20130124345 |
7 | 3026263601 |
oct | 726762751 |
9 | 277276532 |
10 | 123463145 |
11 | 63767763 |
12 | 354206b5 |
13 | 1c76a320 |
14 | 1257bc01 |
15 | ac8ba15 |
hex | 75be5e9 |
123463145 has 16 divisors (see below), whose sum is σ = 159785472. Its totient is φ = 91039680.
The previous prime is 123463139. The next prime is 123463181. The reversal of 123463145 is 541364321.
It is not a de Polignac number, because 123463145 - 214 = 123446761 is a prime.
It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
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, 79244 + ... + 80786.
It is an arithmetic number, because the mean of its divisors is an integer number (9986592).
Almost surely, 2123463145 is an apocalyptic number.
It is an amenable number.
123463145 is a deficient number, since it is larger than the sum of its proper divisors (36322327).
123463145 is a wasteful number, since it uses less digits than its factorization.
123463145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2792.
The product of its digits is 8640, while the sum is 29.
The square root of 123463145 is about 11111.3970768756. The cubic root of 123463145 is about 497.9424042142.
The spelling of 123463145 in words is "one hundred twenty-three million, four hundred sixty-three thousand, one hundred forty-five".
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