Search a number
-
+
20331312011102 = 2107353269139181
BaseRepresentation
bin1001001111101110000001…
…01000010101011101011110
32122222122200002110111122202
410213313000220111131132
510131102011333323402
6111124024212211502
74165613602450331
oct447670050253536
978878602414582
1020331312011102
116529508659764
122344417309b92
13b46308259761
1450407db74618
15253ce6432b02
hex127dc0a1575e

20331312011102 has 16 divisors (see below), whose sum is σ = 30869187618672. Its totient is φ = 10042121084160.

The previous prime is 20331312011077. The next prime is 20331312011141. The reversal of 20331312011102 is 20111021313302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134494049 + ... + 134645132.

It is an arithmetic number, because the mean of its divisors is an integer number (1929324226167).

Almost surely, 220331312011102 is an apocalyptic number.

20331312011102 is a deficient number, since it is larger than the sum of its proper divisors (10537875607570).

20331312011102 is a wasteful number, since it uses less digits than its factorization.

20331312011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269139643.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20331312011102 its reverse (20111021313302), we get a palindrome (40442333324404).

The spelling of 20331312011102 in words is "twenty trillion, three hundred thirty-one billion, three hundred twelve million, eleven thousand, one hundred two".

Divisors: 1 2 107 214 353 706 37771 75542 269139181 538278362 28797892367 57595784734 95006130893 190012261786 10165656005551 20331312011102