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2102122002 = 231632149409
BaseRepresentation
bin111110101001011…
…1101011000010010
312102111111212021110
41331102331120102
513301120401002
6544331434150
7103043512401
oct17522753022
95374455243
102102122002
11989658412
124a7bb5956
13276681996
1415d27d638
15c4835e6c
hex7d4bd612

2102122002 has 16 divisors (see below), whose sum is σ = 4230038880. Its totient is φ = 696408192.

The previous prime is 2102121979. The next prime is 2102122067. The reversal of 2102122002 is 2002212012.

It is a super-2 number, since 2×21021220022 = 8837833822584976008, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1073727 + ... + 1075682.

It is an arithmetic number, because the mean of its divisors is an integer number (264377430).

Almost surely, 22102122002 is an apocalyptic number.

2102122002 is an abundant number, since it is smaller than the sum of its proper divisors (2127916878).

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

2102122002 is a wasteful number, since it uses less digits than its factorization.

2102122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149577.

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

The square root of 2102122002 is about 45848.9040436083. The cubic root of 2102122002 is about 1281.0103517772.

Adding to 2102122002 its reverse (2002212012), we get a palindrome (4104334014).

It can be divided in two parts, 210 and 2122002, that added together give a palindrome (2122212).

The spelling of 2102122002 in words is "two billion, one hundred two million, one hundred twenty-two thousand, two".

Divisors: 1 2 3 6 163 326 489 978 2149409 4298818 6448227 12896454 350353667 700707334 1051061001 2102122002