Search a number
-
+
5091088081 = 47794913627
BaseRepresentation
bin1001011110111001…
…11101011011010001
3111010210210001220211
410233130331123101
540411304304311
62201103404121
7240106351252
oct45734753321
914123701824
105091088081
112182871912
12ba0bb3641
136319a1b71
14364212b29
151ebe4a821
hex12f73d6d1

5091088081 has 8 divisors (see below), whose sum is σ = 5200444800. Its totient is φ = 4981774608.

The previous prime is 5091088033. The next prime is 5091088091. The reversal of 5091088081 is 1808801905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5091088081 is a prime.

It is a super-2 number, since 2×50910880812 = 51838355697000525122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5091088091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366790 + ... + 380416.

It is an arithmetic number, because the mean of its divisors is an integer number (650055600).

Almost surely, 25091088081 is an apocalyptic number.

It is an amenable number.

5091088081 is a deficient number, since it is larger than the sum of its proper divisors (109356719).

5091088081 is a wasteful number, since it uses less digits than its factorization.

5091088081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21623.

The product of its (nonzero) digits is 23040, while the sum is 40.

The square root of 5091088081 is about 71351.8610899534. The cubic root of 5091088081 is about 1720.2974157810.

Adding to 5091088081 its reverse (1808801905), we get a palindrome (6899889986).

The spelling of 5091088081 in words is "five billion, ninety-one million, eighty-eight thousand, eighty-one".

Divisors: 1 47 7949 13627 373603 640469 108321023 5091088081