Base | Representation |
---|---|
bin | 101111001000111011… |
… | …1010000111001001001 |
3 | 100200021222210112100012 |
4 | 1132101313100321021 |
5 | 3124310221244431 |
6 | 114301032521305 |
7 | 10212415653023 |
oct | 1362167207111 |
9 | 320258715305 |
10 | 101231431241 |
11 | 39a2855a676 |
12 | 17752250235 |
13 | 971398a495 |
14 | 4c84813013 |
15 | 29773d322b |
hex | 1791dd0e49 |
101231431241 has 6 divisors (see below), whose sum is σ = 107536503390. Its totient is φ = 95276640896.
The previous prime is 101231431237. The next prime is 101231431283. The reversal of 101231431241 is 142134132101.
It can be written as a sum of positive squares in 3 ways, for example, as 40402608016 + 60828823225 = 201004^2 + 246635^2 .
It is not a de Polignac number, because 101231431241 - 22 = 101231431237 is a prime.
It is a super-2 number, since 2×1012314312412 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (101231430241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 175140596 + ... + 175141173.
It is an arithmetic number, because the mean of its divisors is an integer number (17922750565).
Almost surely, 2101231431241 is an apocalyptic number.
It is an amenable number.
101231431241 is a deficient number, since it is larger than the sum of its proper divisors (6305072149).
101231431241 is an equidigital number, since it uses as much as digits as its factorization.
101231431241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 350281803 (or 350281786 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 23.
Adding to 101231431241 its reverse (142134132101), we get a palindrome (243365563342).
The spelling of 101231431241 in words is "one hundred one billion, two hundred thirty-one million, four hundred thirty-one thousand, two hundred forty-one".
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