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2174678113 is a prime number
BaseRepresentation
bin1000000110011110…
…1111010001100001
312121120001002112211
42001213233101201
513423204144423
6555442522121
7104614313266
oct20147572141
95546032484
102174678113
11a16604943
12508366341
13288706aaa
14168b6926d
15cadb910d
hex819ef461

2174678113 has 2 divisors, whose sum is σ = 2174678114. Its totient is φ = 2174678112.

The previous prime is 2174678101. The next prime is 2174678137. The reversal of 2174678113 is 3118764712.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2174543424 + 134689 = 46632^2 + 367^2 .

It is a cyclic number.

It is not a de Polignac number, because 2174678113 - 25 = 2174678081 is a prime.

It is a super-2 number, since 2×21746781132 = 9458449790322481538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2174678813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1087339056 + 1087339057.

It is an arithmetic number, because the mean of its divisors is an integer number (1087339057).

Almost surely, 22174678113 is an apocalyptic number.

It is an amenable number.

2174678113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2174678113 is an equidigital number, since it uses as much as digits as its factorization.

2174678113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 40.

The square root of 2174678113 is about 46633.4441468781. Note that the first 3 decimals coincide. The cubic root of 2174678113 is about 1295.5822653528.

The spelling of 2174678113 in words is "two billion, one hundred seventy-four million, six hundred seventy-eight thousand, one hundred thirteen".