Base | Representation |
---|---|
bin | 100001100100001001… |
… | …1100001010010111101 |
3 | 20220001101022021021222 |
4 | 1003020103201102331 |
5 | 2140104442141203 |
6 | 53040233203125 |
7 | 5131132130423 |
oct | 1031023412275 |
9 | 226041267258 |
10 | 72080037053 |
11 | 28629335762 |
12 | 11b775604a5 |
13 | 6a49365bcb |
14 | 36bad87113 |
15 | 1d1d033038 |
hex | 10c84e14bd |
72080037053 has 4 divisors (see below), whose sum is σ = 72147465660. Its totient is φ = 72012608448.
The previous prime is 72080037041. The next prime is 72080037067. The reversal of 72080037053 is 35073008027.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35073008027 = 1487 ⋅23586421.
It can be written as a sum of positive squares in 2 ways, for example, as 50080621369 + 21999415684 = 223787^2 + 148322^2 .
It is a cyclic number.
It is not a de Polignac number, because 72080037053 - 26 = 72080036989 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 (72080030053) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33712700 + ... + 33714837.
It is an arithmetic number, because the mean of its divisors is an integer number (18036866415).
Almost surely, 272080037053 is an apocalyptic number.
It is an amenable number.
72080037053 is a deficient number, since it is larger than the sum of its proper divisors (67428607).
72080037053 is a wasteful number, since it uses less digits than its factorization.
72080037053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67428606.
The product of its (nonzero) digits is 35280, while the sum is 35.
The spelling of 72080037053 in words is "seventy-two billion, eighty million, thirty-seven thousand, fifty-three".
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