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6478913113 = 192922951347
BaseRepresentation
bin1100000100010110…
…00101111001011001
3121201112012212221221
412002023011321121
5101232100204423
62550521332041
7316360565341
oct60213057131
917645185857
106478913113
1128251a5352
121309937021
137c3379aca
14456675d21
1527dbd7e5d
hex1822c5e59

6478913113 has 16 divisors (see below), whose sum is σ = 7086024000. Its totient is φ = 5900271552.

The previous prime is 6478913099. The next prime is 6478913117. The reversal of 6478913113 is 3113198746.

It is not a de Polignac number, because 6478913113 - 25 = 6478913081 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 6478913113.

It is not an unprimeable number, because it can be changed into a prime (6478913117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100506 + ... + 151852.

It is an arithmetic number, because the mean of its divisors is an integer number (442876500).

Almost surely, 26478913113 is an apocalyptic number.

It is an amenable number.

6478913113 is a deficient number, since it is larger than the sum of its proper divisors (607110887).

6478913113 is a wasteful number, since it uses less digits than its factorization.

6478913113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51624.

The product of its digits is 108864, while the sum is 43.

The square root of 6478913113 is about 80491.6959257289. The cubic root of 6478913113 is about 1864.2352628484.

The spelling of 6478913113 in words is "six billion, four hundred seventy-eight million, nine hundred thirteen thousand, one hundred thirteen".

Divisors: 1 19 29 229 551 4351 6641 51347 126179 975593 1489063 11758463 28292197 223410797 340995427 6478913113