Base | Representation |
---|---|
bin | 1110101011011… |
… | …01010110100110 |
3 | 22120200201101121 |
4 | 13111231112212 |
5 | 223010200202 |
6 | 20115044154 |
7 | 3023412250 |
oct | 725552646 |
9 | 276621347 |
10 | 123131302 |
11 | 63560408 |
12 | 352a065a |
13 | 1c682278 |
14 | 124d2cd0 |
15 | ac23537 |
hex | 756d5a6 |
123131302 has 8 divisors (see below), whose sum is σ = 211082256. Its totient is φ = 52770552.
The previous prime is 123131293. The next prime is 123131329. The reversal of 123131302 is 203131321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×1231313023 (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 an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4397533 + ... + 4397560.
It is an arithmetic number, because the mean of its divisors is an integer number (26385282).
Almost surely, 2123131302 is an apocalyptic number.
123131302 is a deficient number, since it is larger than the sum of its proper divisors (87950954).
123131302 is an equidigital number, since it uses as much as digits as its factorization.
123131302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8795102.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 123131302 is about 11096.4544787964. The cubic root of 123131302 is about 497.4958823931.
Adding to 123131302 its reverse (203131321), we get a palindrome (326262623).
The spelling of 123131302 in words is "one hundred twenty-three million, one hundred thirty-one thousand, three hundred two".
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