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6484924639 = 291991123709
BaseRepresentation
bin1100000101000100…
…00001100011011111
3121201221112022020001
412002202001203133
5101240120042024
62551254235131
7316462643554
oct60242014337
917657468201
106484924639
112828630956
12130b955aa7
137c46a311b
1445739ca2b
1527e4c4244
hex1828818df

6484924639 has 8 divisors (see below), whose sum is σ = 6742260000. Its totient is φ = 6229837152.

The previous prime is 6484924619. The next prime is 6484924651. The reversal of 6484924639 is 9364294846.

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 6484924639 - 225 = 6451370207 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 6484924639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6484924609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556084 + ... + 567625.

It is an arithmetic number, because the mean of its divisors is an integer number (842782500).

Almost surely, 26484924639 is an apocalyptic number.

6484924639 is a deficient number, since it is larger than the sum of its proper divisors (257335361).

6484924639 is a wasteful number, since it uses less digits than its factorization.

6484924639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123937.

The product of its digits is 8957952, while the sum is 55.

The square root of 6484924639 is about 80529.0297905047. The cubic root of 6484924639 is about 1864.8116678821.

The spelling of 6484924639 in words is "six billion, four hundred eighty-four million, nine hundred twenty-four thousand, six hundred thirty-nine".

Divisors: 1 29 199 5771 1123709 32587561 223618091 6484924639