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3212674812 = 223519732383
BaseRepresentation
bin1011111101111101…
…1000011011111100
322021220012210100000
42333133120123330
523034421043222
61250442434300
7142420166604
oct27737303374
98256183300
103212674812
1113a9520156
12757b02990
133c2788a19
14226967c04
1513c0a39ac
hexbf7d86fc

3212674812 has 144 divisors (see below), whose sum is σ = 8990159360. Its totient is φ = 1000211328.

The previous prime is 3212674783. The next prime is 3212674819. The reversal of 3212674812 is 2184762123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212674819) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1346973 + ... + 1349355.

Almost surely, 23212674812 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 3212674812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4495079680).

3212674812 is an abundant number, since it is smaller than the sum of its proper divisors (5777484548).

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

3212674812 is a wasteful number, since it uses less digits than its factorization.

3212674812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494 (or 2480 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 3212674812 is about 56680.4623481496. The cubic root of 3212674812 is about 1475.5556366085. Note that the first 3 decimals are identical.

The spelling of 3212674812 in words is "three billion, two hundred twelve million, six hundred seventy-four thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 19 27 36 38 54 57 73 76 81 108 114 146 162 171 219 228 243 292 324 342 438 486 513 657 684 876 972 1026 1314 1387 1539 1971 2052 2383 2628 2774 3078 3942 4161 4617 4766 5548 5913 6156 7149 7884 8322 9234 9532 11826 12483 14298 16644 17739 18468 21447 23652 24966 28596 35478 37449 42894 45277 49932 64341 70956 74898 85788 90554 112347 128682 135831 149796 173959 181108 193023 224694 257364 271662 337041 347918 386046 407493 449388 521877 543324 579069 674082 695836 772092 814986 1043754 1158138 1222479 1348164 1565631 1629972 2087508 2316276 2444958 3131262 3305221 3667437 4696893 4889916 6262524 6610442 7334874 9393786 9915663 11002311 13220884 14090679 14669748 18787572 19831326 22004622 28181358 29746989 39662652 42272037 44009244 56362716 59493978 84544074 89240967 118987956 169088148 178481934 267722901 356963868 535445802 803168703 1070891604 1606337406 3212674812