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20212144004202 = 2317322161520731
BaseRepresentation
bin1001001100010000000011…
…01010011101110001101010
32122120021002001211112010120
410212020001222131301222
510122123432331113302
6110553155240224110
74154164525220643
oct446100152356152
978507061745116
1020212144004202
116492a163a7347
1223252ba16b036
13b37cc65474c7
144dc3b71246ca
15250b6e5239bc
hex126201a9dc6a

20212144004202 has 32 divisors (see below), whose sum is σ = 42815476476864. Its totient is φ = 6339096019200.

The previous prime is 20212144004201. The next prime is 20212144004251. The reversal of 20212144004202 is 20240044121202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20212144004201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30431824 + ... + 31088907.

It is an arithmetic number, because the mean of its divisors is an integer number (1337983639902).

Almost surely, 220212144004202 is an apocalyptic number.

20212144004202 is an abundant number, since it is smaller than the sum of its proper divisors (22603332472662).

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

20212144004202 is a wasteful number, since it uses less digits than its factorization.

20212144004202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61523974.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 20212144004202 its reverse (20240044121202), we get a palindrome (40452188125404).

The spelling of 20212144004202 in words is "twenty trillion, two hundred twelve billion, one hundred forty-four million, four thousand, two hundred two".

Divisors: 1 2 3 6 17 34 51 102 3221 6442 9663 19326 54757 109514 164271 328542 61520731 123041462 184562193 369124386 1045852427 2091704854 3137557281 6275114562 198158274551 396316549102 594474823653 1188949647306 3368690667367 6737381334734 10106072002101 20212144004202