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147027908081 = 269546572149
BaseRepresentation
bin1000100011101110001…
…0111101010111110001
3112001111121221121020002
42020323202331113301
54402103121024311
6151313234155345
713423326412145
oct2107342752761
9461447847202
10147027908081
115739946a53a
12245b3422b55
1310b318b99a2
14718ab71225
153c57bee93b
hex223b8bd5f1

147027908081 has 4 divisors (see below), whose sum is σ = 147574480500. Its totient is φ = 146481335664.

The previous prime is 147027908077. The next prime is 147027908113. The reversal of 147027908081 is 180809720741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 180809720741 = 1313908440057.

It can be written as a sum of positive squares in 2 ways, for example, as 19549632400 + 127478275681 = 139820^2 + 357041^2 .

It is a cyclic number.

It is not a de Polignac number, because 147027908081 - 22 = 147027908077 is a prime.

It is a super-2 number, since 2×1470279080812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147027908011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273285806 + ... + 273286343.

It is an arithmetic number, because the mean of its divisors is an integer number (36893620125).

Almost surely, 2147027908081 is an apocalyptic number.

It is an amenable number.

147027908081 is a deficient number, since it is larger than the sum of its proper divisors (546572419).

147027908081 is an equidigital number, since it uses as much as digits as its factorization.

147027908081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546572418.

The product of its (nonzero) digits is 225792, while the sum is 47.

The spelling of 147027908081 in words is "one hundred forty-seven billion, twenty-seven million, nine hundred eight thousand, eighty-one".

Divisors: 1 269 546572149 147027908081