Search a number
-
+
9060087121 = 16135616917
BaseRepresentation
bin10000111000000010…
…11111010101010001
3212101102011010001021
420130001133111101
5122023340241441
64055005035441
7440342320111
oct103401372521
925342133037
109060087121
11392a201608
12190a255b81
13b1505aac7
1461d3b7041
153805ea3d1
hex21c05f551

9060087121 has 4 divisors (see below), whose sum is σ = 9065705652. Its totient is φ = 9054468592.

The previous prime is 9060087109. The next prime is 9060087139. The reversal of 9060087121 is 1217800609.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1217800609 = 348972.

It can be written as a sum of positive squares in 2 ways, for example, as 4581800721 + 4478286400 = 67689^2 + 66920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9060087121 is a prime.

It is a super-2 number, since 2×90600871212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9060087181) 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, 2806846 + ... + 2810071.

It is an arithmetic number, because the mean of its divisors is an integer number (2266426413).

Almost surely, 29060087121 is an apocalyptic number.

It is an amenable number.

9060087121 is a deficient number, since it is larger than the sum of its proper divisors (5618531).

9060087121 is a wasteful number, since it uses less digits than its factorization.

9060087121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5618530.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 9060087121 is about 95184.4899182635. The cubic root of 9060087121 is about 2084.7026795322.

The spelling of 9060087121 in words is "nine billion, sixty million, eighty-seven thousand, one hundred twenty-one".

Divisors: 1 1613 5616917 9060087121