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3212512045340 = 2251312355815559
BaseRepresentation
bin101110101111111000101…
…000111010100100011100
3102101010001111011201110012
4232233320220322210130
5410113211040422330
610455450242102352
7451045020560303
oct56577050724434
912333044151405
103212512045340
111029467332814
1243a73394a9b8
131a3c280c54b0
14b16b4a0543a
1558871380c95
hex2ebf8a3a91c

3212512045340 has 24 divisors (see below), whose sum is σ = 7265219549280. Its totient is φ = 1186158293568.

The previous prime is 3212512045331. The next prime is 3212512045357. The reversal of 3212512045340 is 435402152123.

It is a junction number, because it is equal to n+sod(n) for n = 3212512045297 and 3212512045306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6177907520 + ... + 6177908039.

It is an arithmetic number, because the mean of its divisors is an integer number (302717481220).

Almost surely, 23212512045340 is an apocalyptic number.

It is an amenable number.

3212512045340 is an abundant number, since it is smaller than the sum of its proper divisors (4052707503940).

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

3212512045340 is a wasteful number, since it uses less digits than its factorization.

3212512045340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12355815581 (or 12355815579 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 3212512045340 its reverse (435402152123), we get a palindrome (3647914197463).

The spelling of 3212512045340 in words is "three trillion, two hundred twelve billion, five hundred twelve million, forty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 12355815559 24711631118 49423262236 61779077795 123558155590 160625602267 247116311180 321251204534 642502409068 803128011335 1606256022670 3212512045340