Base | Representation |
---|---|
bin | 11100000001100110011110… |
… | …001011001101010010000111 |
3 | 121011102002112212220222102202 |
4 | 130001212132023031102013 |
5 | 112123403404014401211 |
6 | 1114050414513225115 |
7 | 34650621661456316 |
oct | 3401463613152207 |
9 | 534362485828382 |
10 | 123255330231431 |
11 | 36300323723982 |
12 | 119a786086219b |
13 | 53a0c0a3cb548 |
14 | 226183863c27d |
15 | e3b249aeb53b |
hex | 70199e2cd487 |
123255330231431 has 8 divisors (see below), whose sum is σ = 124089225771600. Its totient is φ = 122421523739008.
The previous prime is 123255330231413. The next prime is 123255330231437. The reversal of 123255330231431 is 134132033552321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 123255330231431 - 26 = 123255330231367 is a prime.
It is a super-2 number, since 2×1232553302314312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123255330231437) 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, 19483106 + ... + 25022031.
It is an arithmetic number, because the mean of its divisors is an integer number (15511153221450).
Almost surely, 2123255330231431 is an apocalyptic number.
123255330231431 is a deficient number, since it is larger than the sum of its proper divisors (833895540169).
123255330231431 is a wasteful number, since it uses less digits than its factorization.
123255330231431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44523873.
The product of its (nonzero) digits is 194400, while the sum is 38.
Adding to 123255330231431 its reverse (134132033552321), we get a palindrome (257387363783752).
The spelling of 123255330231431 in words is "one hundred twenty-three trillion, two hundred fifty-five billion, three hundred thirty million, two hundred thirty-one thousand, four hundred thirty-one".
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