Search a number
-
+
80538207041 = 85993758099
BaseRepresentation
bin100101100000001110…
…0111000001101000001
321200212211211211021002
41023000130320031001
52304420240111131
6100555421141345
75550545315225
oct1130034701501
9250784754232
1080538207041
1131179799a96
12137380ba855
1377967a6616
143c80438785
1521658826cb
hex12c0738341

80538207041 has 4 divisors (see below), whose sum is σ = 80631966000. Its totient is φ = 80444448084.

The previous prime is 80538207007. The next prime is 80538207067. The reversal of 80538207041 is 14070283508.

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 80538207041 - 210 = 80538206017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80538206986 and 80538207004.

It is not an unprimeable number, because it can be changed into a prime (80538201041) 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, 46878191 + ... + 46879908.

It is an arithmetic number, because the mean of its divisors is an integer number (20157991500).

Almost surely, 280538207041 is an apocalyptic number.

It is an amenable number.

80538207041 is a deficient number, since it is larger than the sum of its proper divisors (93758959).

80538207041 is an equidigital number, since it uses as much as digits as its factorization.

80538207041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93758958.

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 80538207041 in words is "eighty billion, five hundred thirty-eight million, two hundred seven thousand, forty-one".

Divisors: 1 859 93758099 80538207041