Base | Representation |
---|---|
bin | 10011000101010110010… |
… | …001111000000110111010 |
3 | 11122100222121002011120210 |
4 | 103011112101320012322 |
5 | 132441233103131442 |
6 | 2442242110131550 |
7 | 163514011525161 |
oct | 23052621700672 |
9 | 4570877064523 |
10 | 1311412552122 |
11 | 466192219552 |
12 | 1921b14b0bb6 |
13 | 9688663976a |
14 | 4768916a3d8 |
15 | 241a5d0719c |
hex | 131564781ba |
1311412552122 has 64 divisors (see below), whose sum is σ = 2689507215360. Its totient is φ = 426102816384.
The previous prime is 1311412552097. The next prime is 1311412552133. The reversal of 1311412552122 is 2212552141131.
It is a self number, because there is not a number n which added to its sum of digits gives 1311412552122.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 74153493 + ... + 74171175.
It is an arithmetic number, because the mean of its divisors is an integer number (42023550240).
Almost surely, 21311412552122 is an apocalyptic number.
1311412552122 is an abundant number, since it is smaller than the sum of its proper divisors (1378094663238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1311412552122 is a wasteful number, since it uses less digits than its factorization.
1311412552122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18787.
The product of its digits is 4800, while the sum is 30.
Adding to 1311412552122 its reverse (2212552141131), we get a palindrome (3523964693253).
The spelling of 1311412552122 in words is "one trillion, three hundred eleven billion, four hundred twelve million, five hundred fifty-two thousand, one hundred twenty-two".
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