Base | Representation |
---|---|
bin | 11001001000001001… |
… | …10110000100000111 |
3 | 1021211011002201011200 |
4 | 30210010312010013 |
5 | 210111434323222 |
6 | 10110340433543 |
7 | 655204253205 |
oct | 144404660407 |
9 | 37734081150 |
10 | 13490151687 |
11 | 57a29256a1 |
12 | 27459a88b3 |
13 | 136cab929c |
14 | 91d8ba075 |
15 | 53e4c1eac |
hex | 324136107 |
13490151687 has 24 divisors (see below), whose sum is σ = 19673597424. Its totient is φ = 8907162624.
The previous prime is 13490151679. The next prime is 13490151761. The reversal of 13490151687 is 78615109431.
13490151687 is a `hidden beast` number, since 1 + 3 + 490 + 151 + 6 + 8 + 7 = 666.
It is not a de Polignac number, because 13490151687 - 23 = 13490151679 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13490151637) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 377193 + ... + 411405.
It is an arithmetic number, because the mean of its divisors is an integer number (819733226).
Almost surely, 213490151687 is an apocalyptic number.
13490151687 is a deficient number, since it is larger than the sum of its proper divisors (6183445737).
13490151687 is a wasteful number, since it uses less digits than its factorization.
13490151687 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34639 (or 34636 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 45.
The spelling of 13490151687 in words is "thirteen billion, four hundred ninety million, one hundred fifty-one thousand, six hundred eighty-seven".
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