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2112155153 is a prime number
BaseRepresentation
bin111110111100100…
…1110111000010001
312110012101121011122
41331321032320101
513311202431103
6545330452025
7103225010513
oct17571167021
95405347148
102112155153
11994290479
124ab434015
13278785664
14160731bb3
15c5668b38
hex7de4ee11

2112155153 has 2 divisors, whose sum is σ = 2112155154. Its totient is φ = 2112155152.

The previous prime is 2112155119. The next prime is 2112155189. The reversal of 2112155153 is 3515512112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1221013249 + 891141904 = 34943^2 + 29852^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112155153 - 228 = 1843719697 is a prime.

It is a super-2 number, since 2×21121551532 = 8922398780688906818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2115155153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056077576 + 1056077577.

It is an arithmetic number, because the mean of its divisors is an integer number (1056077577).

Almost surely, 22112155153 is an apocalyptic number.

It is an amenable number.

2112155153 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112155153 is an equidigital number, since it uses as much as digits as its factorization.

2112155153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1500, while the sum is 26.

The square root of 2112155153 is about 45958.1891832130. The cubic root of 2112155153 is about 1283.0451490683.

Adding to 2112155153 its reverse (3515512112), we get a palindrome (5627667265).

The spelling of 2112155153 in words is "two billion, one hundred twelve million, one hundred fifty-five thousand, one hundred fifty-three".