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6113832481 = 781912
BaseRepresentation
bin1011011000110100…
…11010111000100001
3120210002020212111001
411230122122320201
5100010120114411
62450400352001
7304335501331
oct55432327041
916702225431
106113832481
11265810a919
121227615601
13765843673
1441dda10c1
1525bb20dc1
hex16c69ae21

6113832481 has 3 divisors (see below), whose sum is σ = 6113910673. Its totient is φ = 6113754290.

The previous prime is 6113832479. The next prime is 6113832503. The reversal of 6113832481 is 1842383116.

The square root of 6113832481 is 78191.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 6113832481 - 21 = 6113832479 is a prime.

It is a super-2 number, since 2×61138324812 = 74757895211461230722, which 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 6113832481.

It is not an unprimeable number, because it can be changed into a prime (6113832401) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 39096 + ... + 117286.

Almost surely, 26113832481 is an apocalyptic number.

6113832481 is the 78191-st square number.

6113832481 is the 39096-th centered octagonal number.

It is an amenable number.

6113832481 is a deficient number, since it is larger than the sum of its proper divisors (78192).

6113832481 is an frugal number, since it uses more digits than its factorization.

6113832481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156382 (or 78191 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The cubic root of 6113832481 is about 1828.5401957623.

The spelling of 6113832481 in words is "six billion, one hundred thirteen million, eight hundred thirty-two thousand, four hundred eighty-one".

Divisors: 1 78191 6113832481