Base | Representation |
---|---|
bin | 10011000100010001000… |
… | …111001011100101111101 |
3 | 11122020222201112010120210 |
4 | 103010101013023211331 |
5 | 132431344020323240 |
6 | 2441531014103033 |
7 | 163443161156352 |
oct | 23042107134575 |
9 | 4566881463523 |
10 | 1310252120445 |
11 | 465747189004 |
12 | 191b2894aa79 |
13 | 967300ba4b8 |
14 | 475b8dba629 |
15 | 24138ed5780 |
hex | 131111cb97d |
1310252120445 has 16 divisors (see below), whose sum is σ = 2102242965120. Its totient is φ = 696854606784.
The previous prime is 1310252120381. The next prime is 1310252120491. The reversal of 1310252120445 is 5440212520131.
It is not a de Polignac number, because 1310252120445 - 26 = 1310252120381 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121652194 + ... + 121662963.
It is an arithmetic number, because the mean of its divisors is an integer number (131390185320).
Almost surely, 21310252120445 is an apocalyptic number.
1310252120445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1310252120445 is a deficient number, since it is larger than the sum of its proper divisors (791990844675).
1310252120445 is a wasteful number, since it uses less digits than its factorization.
1310252120445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 243315524.
The product of its (nonzero) digits is 9600, while the sum is 30.
Adding to 1310252120445 its reverse (5440212520131), we get a palindrome (6750464640576).
The spelling of 1310252120445 in words is "one trillion, three hundred ten billion, two hundred fifty-two million, one hundred twenty thousand, four hundred forty-five".
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