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2112210073 is a prime number
BaseRepresentation
bin111110111100101…
…1100010010011001
312110012111101111201
41331321130102121
513311211210243
6545331554201
7103225326601
oct17571342231
95405441451
102112210073
11994318766
124ab45b961
132787a465c
14160747c01
15c567a04d
hex7de5c499

2112210073 has 2 divisors, whose sum is σ = 2112210074. Its totient is φ = 2112210072.

The previous prime is 2112210053. The next prime is 2112210103. The reversal of 2112210073 is 3700122112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1646168329 + 466041744 = 40573^2 + 21588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2112210073 is a prime.

It is a super-2 number, since 2×21122100732 = 8922862784965330658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112210073.

It is not a weakly prime, because it can be changed into another prime (2112210013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056105036 + 1056105037.

It is an arithmetic number, because the mean of its divisors is an integer number (1056105037).

Almost surely, 22112210073 is an apocalyptic number.

It is an amenable number.

2112210073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112210073 is an equidigital number, since it uses as much as digits as its factorization.

2112210073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 2112210073 is about 45958.7866789366. The cubic root of 2112210073 is about 1283.0562694996.

Adding to 2112210073 its reverse (3700122112), we get a palindrome (5812332185).

The spelling of 2112210073 in words is "two billion, one hundred twelve million, two hundred ten thousand, seventy-three".