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20423014442412 = 2231701917870201
BaseRepresentation
bin1001010010011000110101…
…00001010110010110101100
32200022102100222202200111120
410221030122201112112230
510134102313144124122
6111234111525420540
74205341223323431
oct451143241262654
980272328680446
1020423014442412
11656439625367a
12235a14a26a750
13b51b60999b2a
1450869cbcbb88
152563b1e9375c
hex12931a8565ac

20423014442412 has 12 divisors (see below), whose sum is σ = 47653700365656. Its totient is φ = 6807671480800.

The previous prime is 20423014442357. The next prime is 20423014442431. The reversal of 20423014442412 is 21424441032402.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850958935089 + ... + 850958935112.

It is an arithmetic number, because the mean of its divisors is an integer number (3971141697138).

Almost surely, 220423014442412 is an apocalyptic number.

It is an amenable number.

20423014442412 is an abundant number, since it is smaller than the sum of its proper divisors (27230685923244).

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

20423014442412 is a wasteful number, since it uses less digits than its factorization.

20423014442412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701917870208 (or 1701917870206 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 20423014442412 its reverse (21424441032402), we get a palindrome (41847455474814).

The spelling of 20423014442412 in words is "twenty trillion, four hundred twenty-three billion, fourteen million, four hundred forty-two thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 1701917870201 3403835740402 5105753610603 6807671480804 10211507221206 20423014442412