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3213034043472 = 2432118632350441
BaseRepresentation
bin101110110000010111110…
…000001011100001010000
3102101011101212101222021100
4232300113300023201100
5410120243203342342
610500014130224400
7451063656514611
oct56602760134120
912334355358240
103213034043472
111029704a54730
1243a85a725100
131a3cac2b0326
14b1724085c08
15588a20e1e4c
hex2ec17c0b850

3213034043472 has 120 divisors (see below), whose sum is σ = 9820861210368. Its totient is φ = 972518054400.

The previous prime is 3213034043449. The next prime is 3213034043473. The reversal of 3213034043472 is 2743404303123.

3213034043472 is a `hidden beast` number, since 3 + 2 + 1 + 303 + 4 + 0 + 4 + 347 + 2 = 666.

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 (3213034043473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191772 + ... + 2542212.

Almost surely, 23213034043472 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 3213034043472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4910430605184).

3213034043472 is an abundant number, since it is smaller than the sum of its proper divisors (6607827166896).

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

3213034043472 is a wasteful number, since it uses less digits than its factorization.

3213034043472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351329 (or 2351320 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 36.

Adding to 3213034043472 its reverse (2743404303123), we get a palindrome (5956438346595).

The spelling of 3213034043472 in words is "three trillion, two hundred thirteen billion, thirty-four million, forty-three thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 66 72 88 99 132 144 176 198 264 396 528 792 863 1584 1726 2589 3452 5178 6904 7767 9493 10356 13808 15534 18986 20712 28479 31068 37972 41424 56958 62136 75944 85437 113916 124272 151888 170874 227832 341748 455664 683496 1366992 2350441 4700882 7051323 9401764 14102646 18803528 21153969 25854851 28205292 37607056 42307938 51709702 56410584 77564553 84615876 103419404 112821168 155129106 169231752 206838808 232693659 310258212 338463504 413677616 465387318 620516424 930774636 1241032848 1861549272 2028430583 3723098544 4056861166 6085291749 8113722332 12170583498 16227444664 18255875247 22312736413 24341166996 32454889328 36511750494 44625472826 48682333992 66938209239 73023500988 89250945652 97364667984 133876418478 146047001976 178501891304 200814627717 267752836956 292094003952 357003782608 401629255434 535505673912 803258510868 1071011347824 1606517021736 3213034043472