Base | Representation |
---|---|
bin | 10011000101010111000… |
… | …100000100111110011001 |
3 | 11122101000111211202120121 |
4 | 103011113010010332121 |
5 | 132441244440241100 |
6 | 2442243300153241 |
7 | 163514231425222 |
oct | 23052704047631 |
9 | 4571014752517 |
10 | 1311425712025 |
11 | 466199697800 |
12 | 1921b5998821 |
13 | 968892966a0 |
14 | 4768abd4249 |
15 | 241a705651a |
hex | 13157104f99 |
1311425712025 has 144 divisors (see below), whose sum is σ = 1945199999232. Its totient is φ = 871186060800.
The previous prime is 1311425712017. The next prime is 1311425712029. The reversal of 1311425712025 is 5202175241131.
It is not a de Polignac number, because 1311425712025 - 23 = 1311425712017 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1311425712029) 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 143 ways as a sum of consecutive naturals, for example, 2607207924 + ... + 2607208426.
It is an arithmetic number, because the mean of its divisors is an integer number (13508333328).
Almost surely, 21311425712025 is an apocalyptic number.
It is an amenable number.
1311425712025 is a deficient number, since it is larger than the sum of its proper divisors (633774287207).
1311425712025 is a wasteful number, since it uses less digits than its factorization.
1311425712025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1112 (or 1096 counting only the distinct ones).
The product of its (nonzero) digits is 16800, while the sum is 34.
The spelling of 1311425712025 in words is "one trillion, three hundred eleven billion, four hundred twenty-five million, seven hundred twelve thousand, twenty-five".
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