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20100212110 = 2511359350857
BaseRepresentation
bin10010101110000100…
…001110010110001110
31220212211002120102101
4102232010032112032
5312131123241420
613122305145314
71311046661326
oct225604162616
956784076371
1020100212110
118585055950
123a8b62b23a
131b84393b44
14d89730286
157c996360a
hex4ae10e58e

20100212110 has 32 divisors (see below), whose sum is σ = 39481268832. Its totient is φ = 7306990080.

The previous prime is 20100212059. The next prime is 20100212117. The reversal of 20100212110 is 1121200102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100212117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369802 + ... + 420658.

It is an arithmetic number, because the mean of its divisors is an integer number (1233789651).

Almost surely, 220100212110 is an apocalyptic number.

20100212110 is a deficient number, since it is larger than the sum of its proper divisors (19381056722).

20100212110 is a wasteful number, since it uses less digits than its factorization.

20100212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54468.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20100212110 its reverse (1121200102), we get a palindrome (21221412212).

The spelling of 20100212110 in words is "twenty billion, one hundred million, two hundred twelve thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 55 110 3593 7186 17965 35930 39523 50857 79046 101714 197615 254285 395230 508570 559427 1118854 2797135 5594270 182729201 365458402 913646005 1827292010 2010021211 4020042422 10050106055 20100212110