Base | Representation |
---|---|
bin | 10011000110010010010… |
… | …101011000011111000011 |
3 | 11122110120210222010002212 |
4 | 103012102111120133003 |
5 | 133000314021313011 |
6 | 2442530101332335 |
7 | 163550664551453 |
oct | 23062225303703 |
9 | 4573523863085 |
10 | 1312420104131 |
11 | 466659a30264 |
12 | 192432a070ab |
13 | 969b72bc196 |
14 | 47742cc1d63 |
15 | 242144cb08b |
hex | 131925587c3 |
1312420104131 has 8 divisors (see below), whose sum is σ = 1319912352000. Its totient is φ = 1304929637640.
The previous prime is 1312420104103. The next prime is 1312420104133. The reversal of 1312420104131 is 1314010242131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1312420104131 - 218 = 1312419841987 is a prime.
It is a super-2 number, since 2×13124201041312 (a number of 25 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 = 1312420104097 and 1312420104106.
It is not an unprimeable number, because it can be changed into a prime (1312420104133) 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 7 ways as a sum of consecutive naturals, for example, 1046570 + ... + 1928768.
It is an arithmetic number, because the mean of its divisors is an integer number (164989044000).
Almost surely, 21312420104131 is an apocalyptic number.
1312420104131 is a deficient number, since it is larger than the sum of its proper divisors (7492247869).
1312420104131 is an equidigital number, since it uses as much as digits as its factorization.
1312420104131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 890689.
The product of its (nonzero) digits is 576, while the sum is 23.
Adding to 1312420104131 its reverse (1314010242131), we get a palindrome (2626430346262).
The spelling of 1312420104131 in words is "one trillion, three hundred twelve billion, four hundred twenty million, one hundred four thousand, one hundred thirty-one".
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