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20112303021211 = 109641287857319
BaseRepresentation
bin1001001001010110000101…
…01011010101110010011011
32122012201100222102002012201
410210223002223111302123
510114004444033134321
6110435244153351031
74144031421655612
oct444530253256233
978181328362181
1020112303021211
116454641802065
122309a95708477
13b2b774972c8b
144d7625258879
1524d27924a291
hex124ac2ad5c9b

20112303021211 has 8 divisors (see below), whose sum is σ = 20328483938400. Its totient is φ = 19896697820160.

The previous prime is 20112303021121. The next prime is 20112303021337. The reversal of 20112303021211 is 11212030321102.

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

It is a cyclic number.

It is not a de Polignac number, because 20112303021211 - 229 = 20111766150299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112303021911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143858791 + ... + 143998528.

It is an arithmetic number, because the mean of its divisors is an integer number (2541060492300).

Almost surely, 220112303021211 is an apocalyptic number.

20112303021211 is a deficient number, since it is larger than the sum of its proper divisors (216180917189).

20112303021211 is a wasteful number, since it uses less digits than its factorization.

20112303021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287858069.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20112303021211 its reverse (11212030321102), we get a palindrome (31324333342313).

The spelling of 20112303021211 in words is "twenty trillion, one hundred twelve billion, three hundred three million, twenty-one thousand, two hundred eleven".

Divisors: 1 109 641 69869 287857319 31376447771 184516541479 20112303021211