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20211110110 = 25171035232207
BaseRepresentation
bin10010110100101011…
…010001000011011110
31221011112202202212201
4102310223101003132
5312343021010420
613141310122114
71313564413162
oct226453210336
957145682781
1020211110110
118631710194
123b007b033a
131ba1351b69
14d9a35aca2
157d456c10a
hex4b4ad10de

20211110110 has 64 divisors (see below), whose sum is σ = 38986002432. Its totient is φ = 7517200896.

The previous prime is 20211110107. The next prime is 20211110119. The reversal of 20211110110 is 1101111202.

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 (20211110119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9156627 + ... + 9158833.

It is an arithmetic number, because the mean of its divisors is an integer number (609156288).

Almost surely, 220211110110 is an apocalyptic number.

20211110110 is a deficient number, since it is larger than the sum of its proper divisors (18774892322).

20211110110 is a wasteful number, since it uses less digits than its factorization.

20211110110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20211110110 its reverse (1101111202), we get a palindrome (21312221312).

It can be divided in two parts, 20211 and 110110, that added together give a 4-th power (130321 = 194).

The spelling of 20211110110 in words is "twenty billion, two hundred eleven million, one hundred ten thousand, one hundred ten".

Divisors: 1 2 5 10 17 34 85 103 170 206 515 523 1030 1046 1751 2207 2615 3502 4414 5230 8755 8891 11035 17510 17782 22070 37519 44455 53869 75038 88910 107738 187595 227321 269345 375190 454642 538690 915773 1136605 1154261 1831546 2273210 2308522 3864457 4578865 5771305 7728914 9157730 11542610 19322285 19622437 38644570 39244874 98112185 118888883 196224370 237777766 594444415 1188888830 2021111011 4042222022 10105555055 20211110110