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10506027197 = 37283946681
BaseRepresentation
bin10011100100011010…
…10100000010111101
31000010011221110221102
421302031110002331
5133004020332242
64454300342445
7521230520621
oct116215240275
930104843842
1010506027197
114501418806
122052544a25
13cb57a2a53
14719447181
15417516e32
hex2723540bd

10506027197 has 4 divisors (see below), whose sum is σ = 10789973916. Its totient is φ = 10222080480.

The previous prime is 10506027179. The next prime is 10506027253. The reversal of 10506027197 is 79172060501.

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 6048328441 + 4457698756 = 77771^2 + 66766^2 .

It is a cyclic number.

It is not a de Polignac number, because 10506027197 - 226 = 10438918333 is a prime.

It is a super-2 number, since 2×105060271972 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10506027197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10506027127) 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, 141973304 + ... + 141973377.

It is an arithmetic number, because the mean of its divisors is an integer number (2697493479).

Almost surely, 210506027197 is an apocalyptic number.

It is an amenable number.

10506027197 is a deficient number, since it is larger than the sum of its proper divisors (283946719).

10506027197 is an equidigital number, since it uses as much as digits as its factorization.

10506027197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283946718.

The product of its (nonzero) digits is 26460, while the sum is 38.

Adding to 10506027197 its reverse (79172060501), we get a palindrome (89678087698).

The spelling of 10506027197 in words is "ten billion, five hundred six million, twenty-seven thousand, one hundred ninety-seven".

Divisors: 1 37 283946681 10506027197