Search a number
-
+
6431046469 = 26632414963
BaseRepresentation
bin1011111110101000…
…11111101101000101
3121121012011000021021
411333110133231011
5101132321441334
62542051351141
7315236664421
oct57724375505
917535130237
106431046469
112800181441
1212b58b24b1
137b648a753
14450175b81
152798d03b4
hex17f51fb45

6431046469 has 4 divisors (see below), whose sum is σ = 6433464096. Its totient is φ = 6428628844.

The previous prime is 6431046443. The next prime is 6431046473. The reversal of 6431046469 is 9646401346.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6431046469 - 223 = 6422657861 is a prime.

It is a super-2 number, since 2×64310464692 = 82716717372874735922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6431076469) 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, 1204819 + ... + 1210144.

It is an arithmetic number, because the mean of its divisors is an integer number (1608366024).

Almost surely, 26431046469 is an apocalyptic number.

It is an amenable number.

6431046469 is a deficient number, since it is larger than the sum of its proper divisors (2417627).

6431046469 is a wasteful number, since it uses less digits than its factorization.

6431046469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417626.

The product of its (nonzero) digits is 373248, while the sum is 43.

The square root of 6431046469 is about 80193.8056772467. The cubic root of 6431046469 is about 1859.6328782698.

The spelling of 6431046469 in words is "six billion, four hundred thirty-one million, forty-six thousand, four hundred sixty-nine".

Divisors: 1 2663 2414963 6431046469