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2120211239 is a prime number
BaseRepresentation
bin111111001011111…
…1101101100100111
312110202112220001012
41332113331230213
513320233224424
6550215252435
7103353332606
oct17627755447
95422486035
102120211239
119988930a3
124b207a11b
1327a346483
1416182ba3d
15c620ab0e
hex7e5fdb27

2120211239 has 2 divisors, whose sum is σ = 2120211240. Its totient is φ = 2120211238.

The previous prime is 2120211169. The next prime is 2120211263. The reversal of 2120211239 is 9321120212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120211239 - 212 = 2120207143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120211439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060105619 + 1060105620.

It is an arithmetic number, because the mean of its divisors is an integer number (1060105620).

Almost surely, 22120211239 is an apocalyptic number.

2120211239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120211239 is an equidigital number, since it uses as much as digits as its factorization.

2120211239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2120211239 is about 46045.7515847011. The cubic root of 2120211239 is about 1284.6743236392.

The spelling of 2120211239 in words is "two billion, one hundred twenty million, two hundred eleven thousand, two hundred thirty-nine".