Base | Representation |
---|---|
bin | 10011000110000010001… |
… | …111000111010011010110 |
3 | 11122102212222202200210000 |
4 | 103012002033013103112 |
5 | 132444240401303210 |
6 | 2442443212512130 |
7 | 163541205122136 |
oct | 23060217072326 |
9 | 4572788680700 |
10 | 1312150025430 |
11 | 466530533122 |
12 | 19237847b646 |
13 | 969733695ba |
14 | 4771909aac6 |
15 | 241ea92cac0 |
hex | 131823c74d6 |
1312150025430 has 40 divisors (see below), whose sum is σ = 3528225626112. Its totient is φ = 349906673232.
The previous prime is 1312150025399. The next prime is 1312150025443. The reversal of 1312150025430 is 345200512131.
1312150025430 is a `hidden beast` number, since 1 + 3 + 121 + 500 + 2 + 5 + 4 + 30 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 1312150025394 and 1312150025403.
It is a congruent number.
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 19 ways as a sum of consecutive naturals, for example, 809968342 + ... + 809969961.
Almost surely, 21312150025430 is an apocalyptic number.
1312150025430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1312150025430 is an abundant number, since it is smaller than the sum of its proper divisors (2216075600682).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1312150025430 is a wasteful number, since it uses less digits than its factorization.
1312150025430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1619938322 (or 1619938313 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
Adding to 1312150025430 its reverse (345200512131), we get a palindrome (1657350537561).
The spelling of 1312150025430 in words is "one trillion, three hundred twelve billion, one hundred fifty million, twenty-five thousand, four hundred thirty".
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