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2120332212 = 2232371591841
BaseRepresentation
bin111111001100001…
…1011001110110100
312110202210000222200
41332120123032310
513320301112322
6550222024500
7103354345365
oct17630331664
95422700880
102120332212
11998965a79
124b2118130
1327a38955b
1416185db6c
15c62318ac
hex7e61b3b4

2120332212 has 36 divisors (see below), whose sum is σ = 5504589636. Its totient is φ = 687674880.

The previous prime is 2120332177. The next prime is 2120332213. The reversal of 2120332212 is 2122330212.

2120332212 is a `hidden beast` number, since 2 + 120 + 332 + 212 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1274918436 + 845413776 = 35706^2 + 29076^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120332213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 794589 + ... + 797252.

Almost surely, 22120332212 is an apocalyptic number.

It is an amenable number.

2120332212 is an abundant number, since it is smaller than the sum of its proper divisors (3384257424).

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

2120332212 is a wasteful number, since it uses less digits than its factorization.

2120332212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591888 (or 1591883 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2120332212 is about 46047.0651833534. The cubic root of 2120332212 is about 1284.6987564172.

Adding to 2120332212 its reverse (2122330212), we get a palindrome (4242662424).

The spelling of 2120332212 in words is "two billion, one hundred twenty million, three hundred thirty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 37 74 111 148 222 333 444 666 1332 1591841 3183682 4775523 6367364 9551046 14326569 19102092 28653138 57306276 58898117 117796234 176694351 235592468 353388702 530083053 706777404 1060166106 2120332212