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121220020262 = 2115510000921
BaseRepresentation
bin111000011100101000…
…1101011100000100110
3102120220000212001200002
41300321101223200212
53441224311122022
6131404313421302
711520642112535
oct1607121534046
9376800761602
10121220020262
11474555a5430
121b5b040a832
13b57ab9b253
145c1d3a831c
153247148092
hex1c3946b826

121220020262 has 8 divisors (see below), whose sum is σ = 198360033192. Its totient is φ = 55100009200.

The previous prime is 121220020261. The next prime is 121220020297. The reversal of 121220020262 is 262020022121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121220020261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2755000439 + ... + 2755000482.

It is an arithmetic number, because the mean of its divisors is an integer number (24795004149).

Almost surely, 2121220020262 is an apocalyptic number.

121220020262 is a deficient number, since it is larger than the sum of its proper divisors (77140012930).

121220020262 is a wasteful number, since it uses less digits than its factorization.

121220020262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510000934.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 121220020262 its reverse (262020022121), we get a palindrome (383240042383).

The spelling of 121220020262 in words is "one hundred twenty-one billion, two hundred twenty million, twenty thousand, two hundred sixty-two".

Divisors: 1 2 11 22 5510000921 11020001842 60610010131 121220020262