Base | Representation |
---|---|
bin | 1000100110101000010… |
… | …1111100010111111011 |
3 | 112010112001101121001002 |
4 | 2021222011330113323 |
5 | 4410203030042341 |
6 | 151522532115215 |
7 | 13451561222234 |
oct | 2115205742773 |
9 | 463461347032 |
10 | 147808830971 |
11 | 5775a26045a |
12 | 24790a65b0b |
13 | 10c27620539 |
14 | 722277208b |
15 | 3ca155929b |
hex | 226a17c5fb |
147808830971 has 4 divisors (see below), whose sum is σ = 147816505200. Its totient is φ = 147801156744.
The previous prime is 147808830947. The next prime is 147808831013. The reversal of 147808830971 is 179038808741.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 179038808741 = 13 ⋅13772216057.
It is a cyclic number.
It is not a de Polignac number, because 147808830971 - 210 = 147808829947 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (147808830571) 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, 3808151 + ... + 3846768.
It is an arithmetic number, because the mean of its divisors is an integer number (36954126300).
Almost surely, 2147808830971 is an apocalyptic number.
147808830971 is a deficient number, since it is larger than the sum of its proper divisors (7674229).
147808830971 is an equidigital number, since it uses as much as digits as its factorization.
147808830971 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7674228.
The product of its (nonzero) digits is 2709504, while the sum is 56.
The spelling of 147808830971 in words is "one hundred forty-seven billion, eight hundred eight million, eight hundred thirty thousand, nine hundred seventy-one".
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