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6131134243 = 13643733477
BaseRepresentation
bin1011011010111000…
…11010111100100011
3120211021210220001001
411231130122330203
5100024032243433
62452215252431
7304635531643
oct55534327443
916737726031
106131134243
1126669579a3
12123137a117
137692c08b0
144223c6523
1525d3dc57d
hex16d71af23

6131134243 has 8 divisors (see below), whose sum is σ = 6613037648. Its totient is φ = 5650699104.

The previous prime is 6131134237. The next prime is 6131134259. The reversal of 6131134243 is 3424311316.

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 6131134243 - 217 = 6131003171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6131134043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358380 + ... + 375097.

It is an arithmetic number, because the mean of its divisors is an integer number (826629706).

Almost surely, 26131134243 is an apocalyptic number.

6131134243 is a deficient number, since it is larger than the sum of its proper divisors (481903405).

6131134243 is a wasteful number, since it uses less digits than its factorization.

6131134243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734133.

The product of its digits is 5184, while the sum is 28.

The square root of 6131134243 is about 78301.5596460249. The cubic root of 6131134243 is about 1830.2634558538.

Adding to 6131134243 its reverse (3424311316), we get a palindrome (9555445559).

The spelling of 6131134243 in words is "six billion, one hundred thirty-one million, one hundred thirty-four thousand, two hundred forty-three".

Divisors: 1 13 643 8359 733477 9535201 471625711 6131134243