Base | Representation |
---|---|
bin | 10101101010000101… |
… | …000110000010011111 |
3 | 2020000122112212220122 |
4 | 111222011012002133 |
5 | 340111131304311 |
6 | 14403305505155 |
7 | 1452161320532 |
oct | 255205060237 |
9 | 66018485818 |
10 | 23254556831 |
11 | 9953655810 |
12 | 460baa21bb |
13 | 2267a389cc |
14 | 11a8632a19 |
15 | 9118440db |
hex | 56a14609f |
23254556831 has 8 divisors (see below), whose sum is σ = 25562262528. Its totient is φ = 20979127000.
The previous prime is 23254556813. The next prime is 23254556863. The reversal of 23254556831 is 13865545232.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23254556831 is a prime.
It is a super-2 number, since 2×232545568312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23254556881) 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, 8067455 + ... + 8070336.
It is an arithmetic number, because the mean of its divisors is an integer number (3195282816).
Almost surely, 223254556831 is an apocalyptic number.
23254556831 is a deficient number, since it is larger than the sum of its proper divisors (2307705697).
23254556831 is a wasteful number, since it uses less digits than its factorization.
23254556831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16137933.
The product of its digits is 864000, while the sum is 44.
It can be divided in two parts, 23254 and 556831, that added together give a palindrome (580085).
The spelling of 23254556831 in words is "twenty-three billion, two hundred fifty-four million, five hundred fifty-six thousand, eight hundred thirty-one".
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