Base | Representation |
---|---|
bin | 1110101101100101… |
… | …01101110000110100 |
3 | 202101110120202021022 |
4 | 13112302231300310 |
5 | 112134014224124 |
6 | 3343434040312 |
7 | 366506606000 |
oct | 72662556064 |
9 | 22343522238 |
10 | 7898586164 |
11 | 3393600767 |
12 | 1645279098 |
13 | 98b525c31 |
14 | 54d029700 |
15 | 313666c5e |
hex | 1d6cadc34 |
7898586164 has 24 divisors (see below), whose sum is σ = 16119566400. Its totient is φ = 3385107768.
The previous prime is 7898586139. The next prime is 7898586169. The reversal of 7898586164 is 4616858987.
It is a junction number, because it is equal to n+sod(n) for n = 7898586097 and 7898586106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7898586169) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2877122 + ... + 2879865.
It is an arithmetic number, because the mean of its divisors is an integer number (671648600).
Almost surely, 27898586164 is an apocalyptic number.
It is an amenable number.
7898586164 is an abundant number, since it is smaller than the sum of its proper divisors (8220980236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7898586164 is a wasteful number, since it uses less digits than its factorization.
7898586164 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5757012 (or 5756996 counting only the distinct ones).
The product of its digits is 23224320, while the sum is 62.
The square root of 7898586164 is about 88873.9903683862. The cubic root of 7898586164 is about 1991.5128823618.
The spelling of 7898586164 in words is "seven billion, eight hundred ninety-eight million, five hundred eighty-six thousand, one hundred sixty-four".
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