Base | Representation |
---|---|
bin | 101000110010001111… |
… | …1110111011111000110 |
3 | 22101001222102101202220 |
4 | 1101210133313133012 |
5 | 2413333331440004 |
6 | 104123003313210 |
7 | 6220306540242 |
oct | 1214437673706 |
9 | 271058371686 |
10 | 87585421254 |
11 | 34165761371 |
12 | 14b8421b806 |
13 | 834a800966 |
14 | 434c365422 |
15 | 24293c5dd9 |
hex | 14647f77c6 |
87585421254 has 16 divisors (see below), whose sum is σ = 178475953392. Its totient is φ = 28644288608.
The previous prime is 87585421249. The next prime is 87585421291. The reversal of 87585421254 is 45212458578.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 87585421197 and 87585421206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137712609 + ... + 137713244.
It is an arithmetic number, because the mean of its divisors is an integer number (11154747087).
Almost surely, 287585421254 is an apocalyptic number.
87585421254 is an abundant number, since it is smaller than the sum of its proper divisors (90890532138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87585421254 is a wasteful number, since it uses less digits than its factorization.
87585421254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 275425911.
The product of its digits is 3584000, while the sum is 51.
The spelling of 87585421254 in words is "eighty-seven billion, five hundred eighty-five million, four hundred twenty-one thousand, two hundred fifty-four".
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