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6485680212 = 22311478591217
BaseRepresentation
bin1100000101001001…
…11010000001010100
3121201222221200200020
412002210322001110
5101240313231322
62551322345140
7316502241444
oct60244720124
917658850606
106485680212
112828aa75a0
12131005b1b0
137c48a8ccb
14457518124
1527e5c305c
hex18293a054

6485680212 has 96 divisors (see below), whose sum is σ = 16893757440. Its totient is φ = 1919723520.

The previous prime is 6485680189. The next prime is 6485680241. The reversal of 6485680212 is 2120865846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5328628 + ... + 5329844.

It is an arithmetic number, because the mean of its divisors is an integer number (175976640).

Almost surely, 26485680212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6485680212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8446878720).

6485680212 is an abundant number, since it is smaller than the sum of its proper divisors (10408077228).

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

6485680212 is a wasteful number, since it uses less digits than its factorization.

6485680212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141 (or 2139 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 6485680212 is about 80533.7209620914. The cubic root of 6485680212 is about 1864.8840895218.

The spelling of 6485680212 in words is "six billion, four hundred eighty-five million, six hundred eighty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 47 66 94 132 141 188 282 517 564 859 1034 1217 1551 1718 2068 2434 2577 3102 3436 3651 4868 5154 6204 7302 9449 10308 13387 14604 18898 26774 28347 37796 40161 40373 53548 56694 57199 80322 80746 113388 114398 121119 160644 161492 171597 228796 242238 343194 444103 484476 629189 686388 888206 1045403 1258378 1332309 1776412 1887567 2090806 2516756 2664618 3136209 3775134 4181612 5329236 6272418 7550268 11499433 12544836 22998866 34498299 45997732 49133941 68996598 98267882 137993196 147401823 196535764 294803646 540473351 589607292 1080946702 1621420053 2161893404 3242840106 6485680212