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3004131561 = 31516631637
BaseRepresentation
bin1011001100001111…
…0110100011101001
321202100210200202220
42303003312203221
522123024202221
61214032544253
7134305461024
oct26303664351
97670720686
103004131561
111301832562
126ba0b2089
1338b4ccc52
14206da01bb
15128b0d0c6
hexb30f68e9

3004131561 has 8 divisors (see below), whose sum is σ = 4032035904. Its totient is φ = 1989490800.

The previous prime is 3004131521. The next prime is 3004131563. The reversal of 3004131561 is 1651314003.

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

It is not a de Polignac number, because 3004131561 - 219 = 3003607273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3004131563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3315366 + ... + 3316271.

It is an arithmetic number, because the mean of its divisors is an integer number (504004488).

Almost surely, 23004131561 is an apocalyptic number.

It is an amenable number.

3004131561 is a deficient number, since it is larger than the sum of its proper divisors (1027904343).

3004131561 is a wasteful number, since it uses less digits than its factorization.

3004131561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6631791.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 3004131561 is about 54809.9585933067. The cubic root of 3004131561 is about 1442.9113490556.

Adding to 3004131561 its reverse (1651314003), we get a palindrome (4655445564).

The spelling of 3004131561 in words is "three billion, four million, one hundred thirty-one thousand, five hundred sixty-one".

Divisors: 1 3 151 453 6631637 19894911 1001377187 3004131561