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6424643057 = 77312572687
BaseRepresentation
bin1011111101111000…
…00100010111110001
3121120202002200102212
411332330010113301
5101124202034212
62541302221505
7315131364530
oct57674042761
917522080385
106424643057
1127a75a8468
1212b3724895
137b5057c51
1444d38a317
15279067e22
hex17ef045f1

6424643057 has 8 divisors (see below), whose sum is σ = 7443031296. Its totient is φ = 5431400352.

The previous prime is 6424643053. The next prime is 6424643083. The reversal of 6424643057 is 7503464246.

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

It is not a de Polignac number, because 6424643057 - 22 = 6424643053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6424643053) 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, 6285833 + ... + 6286854.

It is an arithmetic number, because the mean of its divisors is an integer number (930378912).

Almost surely, 26424643057 is an apocalyptic number.

It is an amenable number.

6424643057 is a deficient number, since it is larger than the sum of its proper divisors (1018388239).

6424643057 is a wasteful number, since it uses less digits than its factorization.

6424643057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12572767.

The product of its (nonzero) digits is 483840, while the sum is 41.

The square root of 6424643057 is about 80153.8711292224. The cubic root of 6424643057 is about 1859.0154593158.

The spelling of 6424643057 in words is "six billion, four hundred twenty-four million, six hundred forty-three thousand, fifty-seven".

Divisors: 1 7 73 511 12572687 88008809 917806151 6424643057