Search a number
-
+
10501397089 = 29362117141
BaseRepresentation
bin10011100011110111…
…01001101001100001
31000002212020020121221
421301323221221201
5133001324201324
64454013215041
7521143255021
oct116173515141
930085206557
1010501397089
1144a9846077
122050a91481
13cb4841441
1471899da81
15416e000e4
hex271ee9a61

10501397089 has 4 divisors (see below), whose sum is σ = 10863514260. Its totient is φ = 10139279920.

The previous prime is 10501397077. The next prime is 10501397099. The reversal of 10501397089 is 98079310501.

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 8002197025 + 2499200064 = 89455^2 + 49992^2 .

It is a cyclic number.

It is not a de Polignac number, because 10501397089 - 211 = 10501395041 is a prime.

It is a super-2 number, since 2×105013970892 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10501397009) 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, 181058542 + ... + 181058599.

It is an arithmetic number, because the mean of its divisors is an integer number (2715878565).

Almost surely, 210501397089 is an apocalyptic number.

It is an amenable number.

10501397089 is a deficient number, since it is larger than the sum of its proper divisors (362117171).

10501397089 is an equidigital number, since it uses as much as digits as its factorization.

10501397089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362117170.

The product of its (nonzero) digits is 68040, while the sum is 43.

The spelling of 10501397089 in words is "ten billion, five hundred one million, three hundred ninety-seven thousand, eighty-nine".

Divisors: 1 29 362117141 10501397089