Base | Representation |
---|---|
bin | 1110101011011… |
… | …01000011101111 |
3 | 22120200122201220 |
4 | 13111231003233 |
5 | 223010130340 |
6 | 20115034423 |
7 | 3023405604 |
oct | 725550357 |
9 | 276618656 |
10 | 123130095 |
11 | 6355a510 |
12 | 3529ba13 |
13 | 1c68185a |
14 | 124d26ab |
15 | ac22ed0 |
hex | 756d0ef |
123130095 has 16 divisors (see below), whose sum is σ = 214918272. Its totient is φ = 59699360.
The previous prime is 123130087. The next prime is 123130097. The reversal of 123130095 is 590031321.
It is a happy number.
It is not a de Polignac number, because 123130095 - 23 = 123130087 is a prime.
It is a super-3 number, since 3×1231300953 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123130097) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372957 + ... + 373286.
It is an arithmetic number, because the mean of its divisors is an integer number (13432392).
Almost surely, 2123130095 is an apocalyptic number.
123130095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
123130095 is a deficient number, since it is larger than the sum of its proper divisors (91788177).
123130095 is a wasteful number, since it uses less digits than its factorization.
123130095 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 746262.
The product of its (nonzero) digits is 810, while the sum is 24.
The square root of 123130095 is about 11096.4000919217. The cubic root of 123130095 is about 497.4942568127.
The spelling of 123130095 in words is "one hundred twenty-three million, one hundred thirty thousand, ninety-five".
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