Search a number
-
+
5440870051 = 611098111009
BaseRepresentation
bin1010001000100110…
…10001011010100011
3112001011221211120121
411010103101122203
542120330320201
62255520421111
7251554426621
oct50423213243
915034854517
105440870051
112342258221
12107a177797
136892aca46
14398864511
1521c9de9a1
hex1444d16a3

5440870051 has 16 divisors (see below), whose sum is σ = 5593218400. Its totient is φ = 5290790400.

The previous prime is 5440870037. The next prime is 5440870063. The reversal of 5440870051 is 1500780445.

It is a 10-Lehmer number, since φ(5440870051) divides (5440870051-1)10.

It is a cyclic number.

It is not a de Polignac number, because 5440870051 - 213 = 5440861859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5440869989 and 5440870016.

It is not an unprimeable number, because it can be changed into a prime (5440870021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5391835 + ... + 5392843.

It is an arithmetic number, because the mean of its divisors is an integer number (349576150).

Almost surely, 25440870051 is an apocalyptic number.

5440870051 is a deficient number, since it is larger than the sum of its proper divisors (152348349).

5440870051 is a wasteful number, since it uses less digits than its factorization.

5440870051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 5440870051 is about 73762.2535650857. The cubic root of 5440870051 is about 1758.8256252880.

The spelling of 5440870051 in words is "five billion, four hundred forty million, eight hundred seventy thousand, fifty-one".

Divisors: 1 61 109 811 1009 6649 49471 61549 88399 109981 818299 5392339 6708841 49916239 89194591 5440870051