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6506231423 = 31209878433
BaseRepresentation
bin1100000111100110…
…10011011001111111
3121210102121210122012
412003303103121333
5101311043401143
62553335041435
7320142024506
oct60363233177
917712553565
106506231423
112839663a6a
121316b1027b
137c8c232a3
1445a14783d
152812d2418
hex183cd367f

6506231423 has 4 divisors (see below), whose sum is σ = 6716109888. Its totient is φ = 6296352960.

The previous prime is 6506231419. The next prime is 6506231429. The reversal of 6506231423 is 3241326056.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6506231423 - 22 = 6506231419 is a prime.

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 6506231423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6506231429) 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, 104939186 + ... + 104939247.

It is an arithmetic number, because the mean of its divisors is an integer number (1679027472).

Almost surely, 26506231423 is an apocalyptic number.

6506231423 is a deficient number, since it is larger than the sum of its proper divisors (209878465).

6506231423 is a wasteful number, since it uses less digits than its factorization.

6506231423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209878464.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 6506231423 is about 80661.2138701123. The cubic root of 6506231423 is about 1866.8517688502.

Adding to 6506231423 its reverse (3241326056), we get a palindrome (9747557479).

The spelling of 6506231423 in words is "six billion, five hundred six million, two hundred thirty-one thousand, four hundred twenty-three".

Divisors: 1 31 209878433 6506231423