Base | Representation |
---|---|
bin | 10011000110010111110… |
… | …101111111111001010001 |
3 | 11122110211020220100121111 |
4 | 103012113311333321101 |
5 | 133001011202241431 |
6 | 2442543202453321 |
7 | 163553166341500 |
oct | 23062765777121 |
9 | 4573736810544 |
10 | 1312512540241 |
11 | 4666a7125941 |
12 | 192459964241 |
13 | 96a004b4bc6 |
14 | 477512a4837 |
15 | 2421c6897b1 |
hex | 13197d7fe51 |
1312512540241 has 12 divisors (see below), whose sum is σ = 1526885950512. Its totient is φ = 1124947639368.
The previous prime is 1312512540193. The next prime is 1312512540253. The reversal of 1312512540241 is 1420452152131.
It is not a de Polignac number, because 1312512540241 - 27 = 1312512540113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1312512540271) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141826 + ... + 1626388.
It is an arithmetic number, because the mean of its divisors is an integer number (127240495876).
Almost surely, 21312512540241 is an apocalyptic number.
It is an amenable number.
1312512540241 is a deficient number, since it is larger than the sum of its proper divisors (214373410271).
1312512540241 is a wasteful number, since it uses less digits than its factorization.
1312512540241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1502620 (or 1502613 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 31.
Adding to 1312512540241 its reverse (1420452152131), we get a palindrome (2732964692372).
The spelling of 1312512540241 in words is "one trillion, three hundred twelve billion, five hundred twelve million, five hundred forty thousand, two hundred forty-one".
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