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3212122221013 = 47174137392467
BaseRepresentation
bin101110101111100001011…
…001110110100111010101
3102101002001022122121000011
4232233201121312213111
5410111411242033023
610455343434520221
7451032245246236
oct56574131664725
912332038577004
103212122221013
111029287287a52
1243a645296071
131a3b95407704
14b1678d2d08d
155884c02c50d
hex2ebe16769d5

3212122221013 has 8 divisors (see below), whose sum is σ = 3280492444032. Its totient is φ = 3143753131296.

The previous prime is 3212122221001. The next prime is 3212122221029. The reversal of 3212122221013 is 3101222212123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3212122221013 - 213 = 3212122212821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212122021013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7988206 + ... + 8380672.

It is an arithmetic number, because the mean of its divisors is an integer number (410061555504).

Almost surely, 23212122221013 is an apocalyptic number.

It is an amenable number.

3212122221013 is a deficient number, since it is larger than the sum of its proper divisors (68370223019).

3212122221013 is a wasteful number, since it uses less digits than its factorization.

3212122221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566651.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 3212122221013 its reverse (3101222212123), we get a palindrome (6313344433136).

The spelling of 3212122221013 in words is "three trillion, two hundred twelve billion, one hundred twenty-two million, two hundred twenty-one thousand, thirteen".

Divisors: 1 47 174137 392467 8184439 18445949 68343025979 3212122221013