Base | Representation |
---|---|
bin | 10011110100001111100101… |
… | …001001010011100010000101 |
3 | 102102120202012012220100022201 |
4 | 103310033211021103202011 |
5 | 42410403344102344101 |
6 | 505205314120354501 |
7 | 24233412140334001 |
oct | 2364174511234205 |
9 | 372522165810281 |
10 | 87153025824901 |
11 | 25851433004673 |
12 | 9936a10015a31 |
13 | 398265889401a |
14 | 177432c387701 |
15 | a120b46ace01 |
hex | 4f43e5253885 |
87153025824901 has 16 divisors (see below), whose sum is σ = 91156557165696. Its totient is φ = 83167387370496.
The previous prime is 87153025824863. The next prime is 87153025824913. The reversal of 87153025824901 is 10942852035178.
It is a cyclic number.
It is not a de Polignac number, because 87153025824901 - 243 = 78356932802693 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87153025864901) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104255281 + ... + 105087913.
It is an arithmetic number, because the mean of its divisors is an integer number (5697284822856).
Almost surely, 287153025824901 is an apocalyptic number.
It is an amenable number.
87153025824901 is a deficient number, since it is larger than the sum of its proper divisors (4003531340795).
87153025824901 is a wasteful number, since it uses less digits than its factorization.
87153025824901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 843372.
The product of its (nonzero) digits is 4838400, while the sum is 55.
The spelling of 87153025824901 in words is "eighty-seven trillion, one hundred fifty-three billion, twenty-five million, eight hundred twenty-four thousand, nine hundred one".
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