Base | Representation |
---|---|
bin | 10011000110010010100… |
… | …000101000000010110101 |
3 | 11122110121000111212001122 |
4 | 103012102200220002311 |
5 | 133000320300121240 |
6 | 2442530244433325 |
7 | 163551031605302 |
oct | 23062240500265 |
9 | 4573530455048 |
10 | 1312423051445 |
11 | 466660663660 |
12 | 1924339a8845 |
13 | 969b7ab185c |
14 | 4774344c0a9 |
15 | 242148ae4b5 |
hex | 131928280b5 |
1312423051445 has 32 divisors (see below), whose sum is σ = 1743737013504. Its totient is φ = 940268044800.
The previous prime is 1312423051391. The next prime is 1312423051463. The reversal of 1312423051445 is 5441503242131.
It is not a de Polignac number, because 1312423051445 - 224 = 1312406274229 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3105755 + ... + 3502935.
It is an arithmetic number, because the mean of its divisors is an integer number (54491781672).
Almost surely, 21312423051445 is an apocalyptic number.
It is an amenable number.
1312423051445 is a deficient number, since it is larger than the sum of its proper divisors (431313962059).
1312423051445 is a wasteful number, since it uses less digits than its factorization.
1312423051445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 398093.
The product of its (nonzero) digits is 57600, while the sum is 35.
Adding to 1312423051445 its reverse (5441503242131), we get a palindrome (6753926293576).
The spelling of 1312423051445 in words is "one trillion, three hundred twelve billion, four hundred twenty-three million, fifty-one thousand, four hundred forty-five".
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