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213143144132101 = 1911218060217479
BaseRepresentation
bin110000011101101001000001…
…011001000110111000000101
31000221200021201012001221000011
4300131221001121012320011
5210414114124344211401
62033152335245350221
762616040544201341
oct6035510131067005
91027607635057004
10213143144132101
1161a06555261167
121baa469b868371
1391c140a016881
143a8c27ca7c621
1519995204ac451
hexc1da41646e05

213143144132101 has 4 divisors (see below), whose sum is σ = 224361204349600. Its totient is φ = 201925083914604.

The previous prime is 213143144131999. The next prime is 213143144132117. The reversal of 213143144132101 is 101231441341312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213143144132101 - 211 = 213143144130053 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 (213143144132701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5609030108721 + ... + 5609030108758.

It is an arithmetic number, because the mean of its divisors is an integer number (56090301087400).

Almost surely, 2213143144132101 is an apocalyptic number.

It is an amenable number.

213143144132101 is a deficient number, since it is larger than the sum of its proper divisors (11218060217499).

213143144132101 is a wasteful number, since it uses less digits than its factorization.

213143144132101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11218060217498.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 213143144132101 its reverse (101231441341312), we get a palindrome (314374585473413).

The spelling of 213143144132101 in words is "two hundred thirteen trillion, one hundred forty-three billion, one hundred forty-four million, one hundred thirty-two thousand, one hundred one".

Divisors: 1 19 11218060217479 213143144132101