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3213002443040 = 255136612336933
BaseRepresentation
bin101110110000010101110…
…111101000100100100000
3102101011022122221111121222
4232300111313220210200
5410120212111134130
610500011041034212
7451063124102225
oct56602567504440
912334278844558
103213002443040
111029699130875
1243a850025968
131a3ca5897a50
14b171dbbb94c
155889e44dce5
hex2ec15de8920

3213002443040 has 96 divisors (see below), whose sum is σ = 8186990229936. Its totient is φ = 1184544092160.

The previous prime is 3213002443031. The next prime is 3213002443067. The reversal of 3213002443040 is 403442003123.

It can be written as a sum of positive squares in 8 ways, for example, as 2202149153296 + 1010853289744 = 1483964^2 + 1005412^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206414 + ... + 2543346.

Almost surely, 23213002443040 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 3213002443040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4093495114968).

3213002443040 is an abundant number, since it is smaller than the sum of its proper divisors (4973987786896).

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

3213002443040 is a wasteful number, since it uses less digits than its factorization.

3213002443040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337622 (or 2337614 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 3213002443040 its reverse (403442003123), we get a palindrome (3616444446163).

The spelling of 3213002443040 in words is "three trillion, two hundred thirteen billion, two million, four hundred forty-three thousand, forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 661 1040 1322 2080 2644 3305 5288 6610 8593 10576 13220 17186 21152 26440 34372 42965 52880 68744 85930 105760 137488 171860 274976 343720 687440 1374880 2336933 4673866 9347732 11684665 18695464 23369330 30380129 37390928 46738660 60760258 74781856 93477320 121520516 151900645 186954640 243041032 303801290 373909280 486082064 607602580 972164128 1215205160 1544712713 2430410320 3089425426 4860820640 6178850852 7723563565 12357701704 15447127130 20081265269 24715403408 30894254260 40162530538 49430806816 61788508520 80325061076 100406326345 123577017040 160650122152 200812652690 247154034080 321300244304 401625305380 642600488608 803250610760 1606501221520 3213002443040