Base | Representation |
---|---|
bin | 1110010101100… |
… | …11100000101011 |
3 | 22101022111110022 |
4 | 13022303200223 |
5 | 221242213224 |
6 | 15533511055 |
7 | 2660205653 |
oct | 712634053 |
9 | 271274408 |
10 | 120272939 |
11 | 61988926 |
12 | 3434248b |
13 | 1bbc1227 |
14 | 11d8b363 |
15 | a85b65e |
hex | 72b382b |
120272939 has 2 divisors, whose sum is σ = 120272940. Its totient is φ = 120272938.
The previous prime is 120272923. The next prime is 120272951. The reversal of 120272939 is 939272021.
It is a strong prime.
It is an emirp because it is prime and its reverse (939272021) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 120272939 - 24 = 120272923 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 120272899 and 120272908.
It is not a weakly prime, because it can be changed into another prime (120272959) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60136469 + 60136470.
It is an arithmetic number, because the mean of its divisors is an integer number (60136470).
Almost surely, 2120272939 is an apocalyptic number.
120272939 is a deficient number, since it is larger than the sum of its proper divisors (1).
120272939 is an equidigital number, since it uses as much as digits as its factorization.
120272939 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13608, while the sum is 35.
The square root of 120272939 is about 10966.9019782252. The cubic root of 120272939 is about 493.6160902893.
The spelling of 120272939 in words is "one hundred twenty million, two hundred seventy-two thousand, nine hundred thirty-nine".
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