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7113256631 = 133971378271
BaseRepresentation
bin1101001111111101…
…11010111010110111
3200100201211212200022
412213332322322313
5104031443203011
63133501435355
7341162453345
oct64776727267
920321755608
107113256631
11302027aa98
12146626bb5b
1389490b6c0
144b69dc995
152b973b8db
hex1a7fbaeb7

7113256631 has 8 divisors (see below), whose sum is σ = 7679731584. Its totient is φ = 6549539040.

The previous prime is 7113256607. The next prime is 7113256649. The reversal of 7113256631 is 1366523117.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7113256631 - 26 = 7113256567 is a prime.

It is a super-2 number, since 2×71132566312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7113256591 and 7113256600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7113256681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683975 + ... + 694296.

It is an arithmetic number, because the mean of its divisors is an integer number (959966448).

Almost surely, 27113256631 is an apocalyptic number.

7113256631 is a deficient number, since it is larger than the sum of its proper divisors (566474953).

7113256631 is a wasteful number, since it uses less digits than its factorization.

7113256631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378681.

The product of its digits is 22680, while the sum is 35.

The square root of 7113256631 is about 84340.1246797750. The cubic root of 7113256631 is about 1923.1928060756.

Adding to 7113256631 its reverse (1366523117), we get a palindrome (8479779748).

The spelling of 7113256631 in words is "seven billion, one hundred thirteen million, two hundred fifty-six thousand, six hundred thirty-one".

Divisors: 1 13 397 5161 1378271 17917523 547173587 7113256631