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20112321110 = 257287318873
BaseRepresentation
bin10010101110110010…
…011010101001010110
31220220122212202211212
4102232302122221112
5312142223233420
613123420501422
71311254623460
oct225662325126
956818782755
1020112321110
118590976592
123a936aa872
131b86a4362b
14d8b1a3130
157caa563c5
hex4aec9aa56

20112321110 has 16 divisors (see below), whose sum is σ = 41373917856. Its totient is φ = 6895652928.

The previous prime is 20112321101. The next prime is 20112321167. The reversal of 20112321110 is 1112321102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143659367 + ... + 143659506.

It is an arithmetic number, because the mean of its divisors is an integer number (2585869866).

Almost surely, 220112321110 is an apocalyptic number.

20112321110 is an abundant number, since it is smaller than the sum of its proper divisors (21261596746).

20112321110 is a wasteful number, since it uses less digits than its factorization.

20112321110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287318887.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20112321110 its reverse (1112321102), we get a palindrome (21224642212).

The spelling of 20112321110 in words is "twenty billion, one hundred twelve million, three hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 70 287318873 574637746 1436594365 2011232111 2873188730 4022464222 10056160555 20112321110