Search a number
-
+
6864731522012 = 2271321450704041
BaseRepresentation
bin110001111100101000111…
…1000100100001111011100
3220022021001221110022122002
41203321101320210033130
51344432432232201022
622333340352341432
71305650306113550
oct143712170441734
926267057408562
106864731522012
112207352a87781
1292a520844878
133aa4590b3100
1419a37d17d860
15bd87a0a0092
hex63e51e243dc

6864731522012 has 36 divisors (see below), whose sum is σ = 14866815022416. Its totient is φ = 2715717962880.

The previous prime is 6864731521993. The next prime is 6864731522021. The reversal of 6864731522012 is 2102251374686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 725347289 + ... + 725356752.

It is an arithmetic number, because the mean of its divisors is an integer number (412967083956).

Almost surely, 26864731522012 is an apocalyptic number.

It is an amenable number.

6864731522012 is an abundant number, since it is smaller than the sum of its proper divisors (8002083500404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6864731522012 is a wasteful number, since it uses less digits than its factorization.

6864731522012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450704078 (or 1450704063 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

Adding to 6864731522012 its reverse (2102251374686), we get a palindrome (8966982896698).

The spelling of 6864731522012 in words is "six trillion, eight hundred sixty-four billion, seven hundred thirty-one million, five hundred twenty-two thousand, twelve".

Divisors: 1 2 4 7 13 14 26 28 52 91 169 182 338 364 676 1183 2366 4732 1450704041 2901408082 5802816164 10154928287 18859152533 20309856574 37718305066 40619713148 75436610132 132014067731 245168982929 264028135462 490337965858 528056270924 980675931716 1716182880503 3432365761006 6864731522012