Base | Representation |
---|---|
bin | 110100100101001100000100… |
… | …100111001110111001101001 |
3 | 1010022210122222222101222020111 |
4 | 310211030010213032321221 |
5 | 220302331143341341131 |
6 | 2135500342141054321 |
7 | 66465356511004504 |
oct | 6445140447167151 |
9 | 1108718888358214 |
10 | 231254001512041 |
11 | 677592a908a792 |
12 | 21b2a6a92573a1 |
13 | 9c0620aa86541 |
14 | 4116a7945413b |
15 | 1bb06a986bab1 |
hex | d253049cee69 |
231254001512041 has 16 divisors (see below), whose sum is σ = 236438999491968. Its totient is φ = 226099833148800.
The previous prime is 231254001512011. The next prime is 231254001512047. The reversal of 231254001512041 is 140215100452132.
It is a cyclic number.
It is not a de Polignac number, because 231254001512041 - 237 = 231116562558569 is a prime.
It is a super-2 number, since 2×2312540015120412 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 231254001511994 and 231254001512012.
It is not an unprimeable number, because it can be changed into a prime (231254001512047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58938205 + ... + 62739301.
It is an arithmetic number, because the mean of its divisors is an integer number (14777437468248).
Almost surely, 2231254001512041 is an apocalyptic number.
It is an amenable number.
231254001512041 is a deficient number, since it is larger than the sum of its proper divisors (5184997979927).
231254001512041 is a wasteful number, since it uses less digits than its factorization.
231254001512041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3805152.
The product of its (nonzero) digits is 9600, while the sum is 31.
Adding to 231254001512041 its reverse (140215100452132), we get a palindrome (371469101964173).
The spelling of 231254001512041 in words is "two hundred thirty-one trillion, two hundred fifty-four billion, one million, five hundred twelve thousand, forty-one".
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