Base | Representation |
---|---|
bin | 100011011000000… |
… | …0101101101010101 |
3 | 10001201120102112200 |
4 | 1012300011231111 |
5 | 4412333331123 |
6 | 313441435113 |
7 | 41262300450 |
oct | 10660055525 |
9 | 3051512480 |
10 | 1187011413 |
11 | 55a045275 |
12 | 29163ba99 |
13 | 15bbc7523 |
14 | b390c497 |
15 | 6e322143 |
hex | 46c05b55 |
1187011413 has 12 divisors (see below), whose sum is σ = 1959511008. Its totient is φ = 678292200.
The previous prime is 1187011411. The next prime is 1187011481. The reversal of 1187011413 is 3141107811.
It is not a de Polignac number, because 1187011413 - 21 = 1187011411 is a prime.
It is a super-3 number, since 3×11870114133 (a number of 28 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1187011411) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9420663 + ... + 9420788.
It is an arithmetic number, because the mean of its divisors is an integer number (163292584).
Almost surely, 21187011413 is an apocalyptic number.
It is an amenable number.
1187011413 is a deficient number, since it is larger than the sum of its proper divisors (772499595).
1187011413 is a wasteful number, since it uses less digits than its factorization.
1187011413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18841464 (or 18841461 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 27.
The square root of 1187011413 is about 34453.0319855887. The cubic root of 1187011413 is about 1058.8106432751.
The spelling of 1187011413 in words is "one billion, one hundred eighty-seven million, eleven thousand, four hundred thirteen".
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