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2122713188 = 221740130497
BaseRepresentation
bin111111010000110…
…0000100001100100
312110221021000001222
41332201200201210
513321403310223
6550345035512
7103413523121
oct17641404144
95427230058
102122713188
1199a241922
124b2a85b98
1327aa1120b
14161cbd748
15c65520c8
hex7e860864

2122713188 has 12 divisors (see below), whose sum is σ = 3715083372. Its totient is φ = 1061260800.

The previous prime is 2122713169. The next prime is 2122713221. The reversal of 2122713188 is 8813172212.

It can be written as a sum of positive squares in 2 ways, for example, as 1440354304 + 682358884 = 37952^2 + 26122^2 .

It is a super-2 number, since 2×21227131882 = 9011822557018246688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54356 + ... + 84852.

It is an arithmetic number, because the mean of its divisors is an integer number (309590281).

Almost surely, 22122713188 is an apocalyptic number.

It is an amenable number.

2122713188 is a deficient number, since it is larger than the sum of its proper divisors (1592370184).

2122713188 is a wasteful number, since it uses less digits than its factorization.

2122713188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47902 (or 47900 counting only the distinct ones).

The product of its digits is 10752, while the sum is 35.

The square root of 2122713188 is about 46072.9116509908. The cubic root of 2122713188 is about 1285.1794503785.

The spelling of 2122713188 in words is "two billion, one hundred twenty-two million, seven hundred thirteen thousand, one hundred eighty-eight".

Divisors: 1 2 4 17401 30497 34802 60994 69604 121988 530678297 1061356594 2122713188