Base | Representation |
---|---|
bin | 101000110001000010… |
… | …1100001010000000001 |
3 | 22100222011021202100222 |
4 | 1101202011201100001 |
5 | 2413243002210001 |
6 | 104115000152425 |
7 | 6216305611352 |
oct | 1214205412001 |
9 | 270864252328 |
10 | 87544960001 |
11 | 34144936214 |
12 | 14b72768715 |
13 | 83423051a5 |
14 | 4346c31d29 |
15 | 2425a8261b |
hex | 1462161401 |
87544960001 has 4 divisors (see below), whose sum is σ = 87564008532. Its totient is φ = 87525911472.
The previous prime is 87544959973. The next prime is 87544960049. The reversal of 87544960001 is 10006944578.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 46894335601 + 40650624400 = 216551^2 + 201620^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-87544960001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87544960081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9517370 + ... + 9526563.
It is an arithmetic number, because the mean of its divisors is an integer number (21891002133).
Almost surely, 287544960001 is an apocalyptic number.
It is an amenable number.
87544960001 is a deficient number, since it is larger than the sum of its proper divisors (19048531).
87544960001 is a wasteful number, since it uses less digits than its factorization.
87544960001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19048530.
The product of its (nonzero) digits is 241920, while the sum is 44.
The spelling of 87544960001 in words is "eighty-seven billion, five hundred forty-four million, nine hundred sixty thousand, one".
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