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1220202203013 = 32715918938123
BaseRepresentation
bin10001110000011001101…
…110000000011110000101
311022122112222201100121200
4101300121232000132011
5124442433230444023
62332315251533113
7154104514411053
oct21603156003605
94278488640550
101220202203013
11430537373242
121785972ba199
138b0abb3b5a1
14430b56071d3
1521b18598743
hex11c19b80785

1220202203013 has 12 divisors (see below), whose sum is σ = 1762760581920. Its totient is φ = 813354463656.

The previous prime is 1220202202987. The next prime is 1220202203023. The reversal of 1220202203013 is 3103022020221.

1220202203013 is a `hidden beast` number, since 122 + 0 + 20 + 220 + 301 + 3 = 666.

It is not a de Polignac number, because 1220202203013 - 26 = 1220202202949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220202203023) 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 11 ways as a sum of consecutive naturals, for example, 9404631 + ... + 9533492.

It is an arithmetic number, because the mean of its divisors is an integer number (146896715160).

Almost surely, 21220202203013 is an apocalyptic number.

It is an amenable number.

1220202203013 is a deficient number, since it is larger than the sum of its proper divisors (542558378907).

1220202203013 is a wasteful number, since it uses less digits than its factorization.

1220202203013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18945288 (or 18945285 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1220202203013 its reverse (3103022020221), we get a palindrome (4323224223234).

The spelling of 1220202203013 in words is "one trillion, two hundred twenty billion, two hundred two million, two hundred three thousand, thirteen".

Divisors: 1 3 9 7159 21477 64431 18938123 56814369 170443107 135578022557 406734067671 1220202203013