Search a number
-
+
1372081440841 = 11171228362973
BaseRepresentation
bin10011111101110110011…
…011010100100001001001
311212011120201022001011021
4103331312123110201021
5134440010322101331
62530154151032441
7201062312546566
oct23756633244111
94764521261137
101372081440841
11489995226601
121a1b0336b721
139c504832297
144a5a27b986d
1525a57134211
hex13f766d4849

1372081440841 has 4 divisors (see below), whose sum is σ = 1373309804932. Its totient is φ = 1370853076752.

The previous prime is 1372081440827. The next prime is 1372081440887. The reversal of 1372081440841 is 1480441802731.

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 229245609616 + 1142835831225 = 478796^2 + 1069035^2 .

It is a cyclic number.

It is not a de Polignac number, because 1372081440841 - 29 = 1372081440329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1372081440641) 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, 614180370 + ... + 614182603.

It is an arithmetic number, because the mean of its divisors is an integer number (343327451233).

Almost surely, 21372081440841 is an apocalyptic number.

It is an amenable number.

1372081440841 is a deficient number, since it is larger than the sum of its proper divisors (1228364091).

1372081440841 is a wasteful number, since it uses less digits than its factorization.

1372081440841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228364090.

The product of its (nonzero) digits is 172032, while the sum is 43.

The spelling of 1372081440841 in words is "one trillion, three hundred seventy-two billion, eighty-one million, four hundred forty thousand, eight hundred forty-one".

Divisors: 1 1117 1228362973 1372081440841