Search a number
-
+
10642386017 = 41292577473
BaseRepresentation
bin10011110100101010…
…11110110001100001
31000110200112020002002
421322111132301201
5133243422323032
64520011133345
7524504534324
oct117225366141
930420466062
1010642386017
11457139314a
122090144255
131007b06943
1472d5c07bb
1542449e862
hex27a55ec61

10642386017 has 4 divisors (see below), whose sum is σ = 10644967620. Its totient is φ = 10639804416.

The previous prime is 10642386011. The next prime is 10642386043. The reversal of 10642386017 is 71068324601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71068324601 = 266692664829.

It can be written as a sum of positive squares in 2 ways, for example, as 3091471201 + 7550914816 = 55601^2 + 86896^2 .

It is a cyclic number.

It is not a de Polignac number, because 10642386017 - 230 = 9568644193 is a prime.

It is a super-2 number, since 2×106423860172 (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 (10642386011) 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, 1284608 + ... + 1292865.

It is an arithmetic number, because the mean of its divisors is an integer number (2661241905).

Almost surely, 210642386017 is an apocalyptic number.

It is an amenable number.

10642386017 is a deficient number, since it is larger than the sum of its proper divisors (2581603).

10642386017 is an equidigital number, since it uses as much as digits as its factorization.

10642386017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581602.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 10642386017 in words is "ten billion, six hundred forty-two million, three hundred eighty-six thousand, seventeen".

Divisors: 1 4129 2577473 10642386017