Base | Representation |
---|---|
bin | 10011000101000100000… |
… | …101000101000100111111 |
3 | 11122100012022112001111020 |
4 | 103011010011011010333 |
5 | 132440121421114422 |
6 | 2442151521355223 |
7 | 163503313245450 |
oct | 23050405050477 |
9 | 4570168461436 |
10 | 1311107207487 |
11 | 466045924610 |
12 | 192127198b13 |
13 | 968382ba06c |
14 | 4765a7a5127 |
15 | 241890de95c |
hex | 1314414513f |
1311107207487 has 64 divisors (see below), whose sum is σ = 2211137077248. Its totient is φ = 671217120000.
The previous prime is 1311107207437. The next prime is 1311107207489. The reversal of 1311107207487 is 7847027011131.
It is not a de Polignac number, because 1311107207487 - 27 = 1311107207359 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1311107207489) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41823283 + ... + 41854619.
It is an arithmetic number, because the mean of its divisors is an integer number (34549016832).
Almost surely, 21311107207487 is an apocalyptic number.
1311107207487 is a deficient number, since it is larger than the sum of its proper divisors (900029869761).
1311107207487 is a wasteful number, since it uses less digits than its factorization.
1311107207487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33980.
The product of its (nonzero) digits is 65856, while the sum is 42.
The spelling of 1311107207487 in words is "one trillion, three hundred eleven billion, one hundred seven million, two hundred seven thousand, four hundred eighty-seven".
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