Base | Representation |
---|---|
bin | 10011111100000100101011… |
… | …010101000001010011001011 |
3 | 102111111011222201212102220221 |
4 | 103330010223111001103023 |
5 | 42443212304444304232 |
6 | 510300420124530511 |
7 | 24320320365224623 |
oct | 2374045325012313 |
9 | 374434881772827 |
10 | 87691074213067 |
11 | 25a39637323266 |
12 | 9a0314b3b0a37 |
13 | 39c130465c840 |
14 | 17923b08b7883 |
15 | a210a57c2897 |
hex | 4fc12b5414cb |
87691074213067 has 8 divisors (see below), whose sum is σ = 94436617773456. Its totient is φ = 80945541554592.
The previous prime is 87691074213031. The next prime is 87691074213073. The reversal of 87691074213067 is 76031247019678.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87691074213067 - 215 = 87691074180299 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 87691074212996 and 87691074213014.
It is not an unprimeable number, because it can be changed into a prime (87691074214067) 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, 22913688 + ... + 26465434.
It is an arithmetic number, because the mean of its divisors is an integer number (11804577221682).
Almost surely, 287691074213067 is an apocalyptic number.
87691074213067 is a deficient number, since it is larger than the sum of its proper divisors (6745543560389).
87691074213067 is a wasteful number, since it uses less digits than its factorization.
87691074213067 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5450957.
The product of its (nonzero) digits is 21337344, while the sum is 61.
The spelling of 87691074213067 in words is "eighty-seven trillion, six hundred ninety-one billion, seventy-four million, two hundred thirteen thousand, sixty-seven".
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