Search a number
-
+
431021044009 = 2930834820887
BaseRepresentation
bin1100100010110101101…
…10110011000100101001
31112012112121010200102201
412101122312303010221
524030212341402014
6530001444500201
743066050265363
oct6213266630451
91465477120381
10431021044009
11156882162956
126b6500aa661
13318503cac9a
1416c0c075d33
15b329eade74
hex645adb3129

431021044009 has 8 divisors (see below), whose sum is σ = 446028557760. Its totient is φ = 416023178256.

The previous prime is 431021043991. The next prime is 431021044021. The reversal of 431021044009 is 900440120134.

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 431021044009 - 25 = 431021043977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431021044049) 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, 2321037 + ... + 2499850.

It is an arithmetic number, because the mean of its divisors is an integer number (55753569720).

Almost surely, 2431021044009 is an apocalyptic number.

It is an amenable number.

431021044009 is a deficient number, since it is larger than the sum of its proper divisors (15007513751).

431021044009 is a wasteful number, since it uses less digits than its factorization.

431021044009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823999.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 431021044009 in words is "four hundred thirty-one billion, twenty-one million, forty-four thousand, nine".

Divisors: 1 29 3083 89407 4820887 139805723 14862794621 431021044009