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2102220102 = 231722352711
BaseRepresentation
bin111110101001101…
…0101010101000110
312102111200211211210
41331103111111012
513301132020402
6544333512250
7103044401403
oct17523252506
95374624753
102102220102
11989715094
124a8042686
132766b7528
1415d2a72aa
15c485506c
hex7d4d5546

2102220102 has 48 divisors (see below), whose sum is σ = 4660584192. Its totient is φ = 630833280.

The previous prime is 2102220061. The next prime is 2102220149. The reversal of 2102220102 is 2010222012.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 13527 + ... + 66237.

It is an arithmetic number, because the mean of its divisors is an integer number (97095504).

Almost surely, 22102220102 is an apocalyptic number.

2102220102 is an abundant number, since it is smaller than the sum of its proper divisors (2558364090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102220102 is a wasteful number, since it uses less digits than its factorization.

2102220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52773 (or 52756 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2102220102 is about 45849.9738495018. The cubic root of 2102220102 is about 1281.0302784927.

Adding to 2102220102 its reverse (2010222012), we get a palindrome (4112442114).

It can be divided in two parts, 210222010 and 2, that added together give a palindrome (210222012).

The spelling of 2102220102 in words is "two billion, one hundred two million, two hundred twenty thousand, one hundred two".

Divisors: 1 2 3 6 17 23 34 46 51 69 102 138 289 391 578 782 867 1173 1734 2346 6647 13294 19941 39882 52711 105422 158133 316266 896087 1212353 1792174 2424706 2688261 3637059 5376522 7274118 15233479 20610001 30466958 41220002 45700437 61830003 91400874 123660006 350370017 700740034 1051110051 2102220102