Base | Representation |
---|---|
bin | 100001110000010010… |
… | …1001100110010000001 |
3 | 20221002202200122001101 |
4 | 1003200211030302001 |
5 | 2141423223343201 |
6 | 53144502534401 |
7 | 5144206044313 |
oct | 1034045146201 |
9 | 227082618041 |
10 | 72487324801 |
11 | 28818229001 |
12 | 1206ba37401 |
13 | 6ab2859688 |
14 | 37190c77b3 |
15 | 1d43b85d01 |
hex | 10e094cc81 |
72487324801 has 4 divisors (see below), whose sum is σ = 72533822400. Its totient is φ = 72440827204.
The previous prime is 72487324781. The next prime is 72487324817. The reversal of 72487324801 is 10842378427.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 72487324801 - 211 = 72487322753 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (72487324841) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23246461 + ... + 23249578.
It is an arithmetic number, because the mean of its divisors is an integer number (18133455600).
Almost surely, 272487324801 is an apocalyptic number.
It is an amenable number.
72487324801 is a deficient number, since it is larger than the sum of its proper divisors (46497599).
72487324801 is a wasteful number, since it uses less digits than its factorization.
72487324801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46497598.
The product of its (nonzero) digits is 602112, while the sum is 46.
The spelling of 72487324801 in words is "seventy-two billion, four hundred eighty-seven million, three hundred twenty-four thousand, eight hundred one".
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