Base | Representation |
---|---|
bin | 11111110010000000000100… |
… | …00011100001101010001010 |
3 | 100011110012110220222201122200 |
4 | 33321000002003201222022 |
5 | 33130020044013203432 |
6 | 404345552515501030 |
7 | 20502136256055651 |
oct | 1771000203415212 |
9 | 304405426881580 |
10 | 69887742319242 |
11 | 202a525262a051 |
12 | 7a088675b7776 |
13 | 2ccc502861033 |
14 | 13388288ac198 |
15 | 812e195daa7c |
hex | 3f90020e1a8a |
69887742319242 has 48 divisors (see below), whose sum is σ = 151594548255072. Its totient is φ = 23269601198880.
The previous prime is 69887742319207. The next prime is 69887742319259. The reversal of 69887742319242 is 24291324778896.
It is a happy number.
69887742319242 is a `hidden beast` number, since 6 + 9 + 8 + 8 + 7 + 7 + 423 + 192 + 4 + 2 = 666.
69887742319242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74938693 + ... + 75865559.
It is an arithmetic number, because the mean of its divisors is an integer number (3158219755314).
Almost surely, 269887742319242 is an apocalyptic number.
69887742319242 is an abundant number, since it is smaller than the sum of its proper divisors (81706805935830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69887742319242 is a wasteful number, since it uses less digits than its factorization.
69887742319242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 931603 (or 931600 counting only the distinct ones).
The product of its digits is 585252864, while the sum is 72.
The spelling of 69887742319242 in words is "sixty-nine trillion, eight hundred eighty-seven billion, seven hundred forty-two million, three hundred nineteen thousand, two hundred forty-two".
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