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2162120676 = 223180176723
BaseRepresentation
bin1000000011011111…
…0101011111100100
312120200102002222120
42000313311133210
513412000330201
6554313425540
7104402502552
oct20067653744
95520362876
102162120676
11a0a5082a1
1250410b2b0
13285c2b161
1416721abd2
15c9c38536
hex80df57e4

2162120676 has 12 divisors (see below), whose sum is σ = 5044948272. Its totient is φ = 720706888.

The previous prime is 2162120669. The next prime is 2162120677. The reversal of 2162120676 is 6760212612.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2162120677) 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 3 ways as a sum of consecutive naturals, for example, 90088350 + ... + 90088373.

It is an arithmetic number, because the mean of its divisors is an integer number (420412356).

Almost surely, 22162120676 is an apocalyptic number.

It is an amenable number.

2162120676 is an abundant number, since it is smaller than the sum of its proper divisors (2882827596).

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

2162120676 is a wasteful number, since it uses less digits than its factorization.

2162120676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180176730 (or 180176728 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2162120676 is about 46498.6093985616. The cubic root of 2162120676 is about 1293.0837180496.

The spelling of 2162120676 in words is "two billion, one hundred sixty-two million, one hundred twenty thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 12 180176723 360353446 540530169 720706892 1081060338 2162120676