Search a number
-
+
10653642541 = 25142444791
BaseRepresentation
bin10011110110000000…
…11010111100101101
31000111110201010010101
421323000122330231
5133304313030131
64521052311101
7525002316223
oct117300327455
930443633111
1010653642541
114577781363
122093a72491
13100a2483c9
14730cb0b13
15425474c61
hex27b01af2d

10653642541 has 4 divisors (see below), whose sum is σ = 10696087584. Its totient is φ = 10611197500.

The previous prime is 10653642539. The next prime is 10653642563. The reversal of 10653642541 is 14524635601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14524635601 = 72074947943.

It is a cyclic number.

It is not a de Polignac number, because 10653642541 - 21 = 10653642539 is a prime.

It is a super-2 number, since 2×106536425412 (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 10653642541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10653642521) 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, 21222145 + ... + 21222646.

It is an arithmetic number, because the mean of its divisors is an integer number (2674021896).

Almost surely, 210653642541 is an apocalyptic number.

It is an amenable number.

10653642541 is a deficient number, since it is larger than the sum of its proper divisors (42445043).

10653642541 is an equidigital number, since it uses as much as digits as its factorization.

10653642541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42445042.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 10653642541 in words is "ten billion, six hundred fifty-three million, six hundred forty-two thousand, five hundred forty-one".

Divisors: 1 251 42444791 10653642541