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101330220212 = 221315973121997
BaseRepresentation
bin101111001011111000…
…0000111010010110100
3100200112212200112022222
41132113300013102310
53130011014021322
6114314522141512
710215025442354
oct1362760072264
9320485615288
10101330220212
1139a792a4251
121777b351898
13972b2989b0
144c939aab64
152980de8e42
hex1797c074b4

101330220212 has 24 divisors (see below), whose sum is σ = 190982013096. Its totient is φ = 46764482688.

The previous prime is 101330220209. The next prime is 101330220287. The reversal of 101330220212 is 212022033101.

It can be written as a sum of positive squares in 4 ways, for example, as 39918441616 + 61411778596 = 199796^2 + 247814^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769598 + ... + 891594.

It is an arithmetic number, because the mean of its divisors is an integer number (7957583879).

Almost surely, 2101330220212 is an apocalyptic number.

It is an amenable number.

101330220212 is a deficient number, since it is larger than the sum of its proper divisors (89651792884).

101330220212 is a wasteful number, since it uses less digits than its factorization.

101330220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137987 (or 137985 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 101330220212 its reverse (212022033101), we get a palindrome (313352253313).

The spelling of 101330220212 in words is "one hundred one billion, three hundred thirty million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 15973 31946 63892 121997 207649 243994 415298 487988 830596 1585961 3171922 6343844 1948658081 3897316162 7794632324 25332555053 50665110106 101330220212