Base | Representation |
---|---|
bin | 101000111001011001… |
… | …1010111110010100000 |
3 | 22101200201000100202022 |
4 | 1101302303113302200 |
5 | 2414331301242303 |
6 | 104202455241012 |
7 | 6226252466360 |
oct | 1216263276240 |
9 | 271621010668 |
10 | 87825415328 |
11 | 34279180482 |
12 | 15030679168 |
13 | 838844bba1 |
14 | 43721989a0 |
15 | 24404d0438 |
hex | 1472cd7ca0 |
87825415328 has 24 divisors (see below), whose sum is σ = 197607184992. Its totient is φ = 37639463616.
The previous prime is 87825415247. The next prime is 87825415343. The reversal of 87825415328 is 82351452878.
It is a self number, because there is not a number n which added to its sum of digits gives 87825415328.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196038650 + ... + 196039097.
It is an arithmetic number, because the mean of its divisors is an integer number (8233632708).
Almost surely, 287825415328 is an apocalyptic number.
It is an amenable number.
87825415328 is an abundant number, since it is smaller than the sum of its proper divisors (109781769664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87825415328 is a wasteful number, since it uses less digits than its factorization.
87825415328 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 392077764 (or 392077756 counting only the distinct ones).
The product of its digits is 4300800, while the sum is 53.
The spelling of 87825415328 in words is "eighty-seven billion, eight hundred twenty-five million, four hundred fifteen thousand, three hundred twenty-eight".
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