Base | Representation |
---|---|
bin | 1010100011010111010001… |
… | …11111100101001100100011 |
3 | 10001011101222210220001120200 |
4 | 11101223220333211030203 |
5 | 11020144000003031111 |
6 | 121204213343240243 |
7 | 4613346343116000 |
oct | 521535077451443 |
9 | 101141883801520 |
10 | 23205322314531 |
11 | 743735a537665 |
12 | 272941b5a9083 |
13 | cc43389a3236 |
14 | 5a32020388a7 |
15 | 2a3954e21256 |
hex | 151ae8fe5323 |
23205322314531 has 48 divisors (see below), whose sum is σ = 39092134848000. Its totient is φ = 13259113387632.
The previous prime is 23205322314529. The next prime is 23205322314589. The reversal of 23205322314531 is 13541322350232.
23205322314531 is a `hidden beast` number, since 2 + 3 + 20 + 53 + 22 + 31 + 4 + 531 = 666.
It is not a de Polignac number, because 23205322314531 - 21 = 23205322314529 is a prime.
It is a super-2 number, since 2×232053223145312 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23205322314931) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38744100 + ... + 39338478.
It is an arithmetic number, because the mean of its divisors is an integer number (814419476000).
Almost surely, 223205322314531 is an apocalyptic number.
23205322314531 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
23205322314531 is a deficient number, since it is larger than the sum of its proper divisors (15886812533469).
23205322314531 is a wasteful number, since it uses less digits than its factorization.
23205322314531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 607053 (or 607036 counting only the distinct ones).
The product of its (nonzero) digits is 129600, while the sum is 36.
Adding to 23205322314531 its reverse (13541322350232), we get a palindrome (36746644664763).
The spelling of 23205322314531 in words is "twenty-three trillion, two hundred five billion, three hundred twenty-two million, three hundred fourteen thousand, five hundred thirty-one".
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