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672884488276 = 2271113191879859
BaseRepresentation
bin10011100101010110000…
…10100111100001010100
32101022211110212200101221
421302223002213201110
542011031412111101
61233041401500124
766420463531330
oct11625302474124
92338743780357
10672884488276
1123a40682a380
12aa4ab7a1644
134b5b6874350
14247d3dd47c0
1512783806aa1
hex9cab0a7854

672884488276 has 96 divisors (see below), whose sum is σ = 1589322792960. Its totient is φ = 240729148800.

The previous prime is 672884488169. The next prime is 672884488307.

672884488276 is nontrivially palindromic in base 10.

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, 324835 + ... + 1204693.

It is an arithmetic number, because the mean of its divisors is an integer number (16555445760).

Almost surely, 2672884488276 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 672884488276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (794661396480).

672884488276 is an abundant number, since it is smaller than the sum of its proper divisors (916438304684).

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

672884488276 is a wasteful number, since it uses less digits than its factorization.

672884488276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880085 (or 880083 counting only the distinct ones).

The product of its digits is 462422016, while the sum is 70.

The spelling of 672884488276 in words is "six hundred seventy-two billion, eight hundred eighty-four million, four hundred eighty-eight thousand, two hundred seventy-six".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 77 91 143 154 182 191 286 308 364 382 572 764 1001 1337 2002 2101 2483 2674 4004 4202 4966 5348 8404 9932 14707 17381 27313 29414 34762 54626 58828 69524 109252 191191 382382 764764 879859 1759718 3519436 6159013 9678449 11438167 12318026 19356898 22876334 24636052 38713796 45752668 67749143 80067169 125819837 135498286 160134338 168053069 251639674 270996572 320268676 336106138 503279348 672212276 880738859 1176371483 1761477718 1848583759 2184689897 2352742966 3522955436 3697167518 4369379794 4705485932 7394335036 8738759588 12940086313 15292829279 24031588867 25880172626 30585658558 48063177734 51760345252 61171317116 96126355468 168221122069 336442244138 672884488276