Base | Representation |
---|---|
bin | 1110010101000… |
… | …00111100101001 |
3 | 22101011122011020 |
4 | 13022200330221 |
5 | 221232300110 |
6 | 15532123053 |
7 | 2656441203 |
oct | 712407451 |
9 | 271148136 |
10 | 120196905 |
11 | 61936794 |
12 | 34306489 |
13 | 1bb9573a |
14 | 11d6b773 |
15 | a843d70 |
hex | 72a0f29 |
120196905 has 16 divisors (see below), whose sum is σ = 197513664. Its totient is φ = 62372160.
The previous prime is 120196897. The next prime is 120196913. The reversal of 120196905 is 509691021.
It is an interprime number because it is at equal distance from previous prime (120196897) and next prime (120196913).
It is not a de Polignac number, because 120196905 - 23 = 120196897 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107731 + ... + 108840.
It is an arithmetic number, because the mean of its divisors is an integer number (12344604).
Almost surely, 2120196905 is an apocalyptic number.
120196905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
120196905 is a deficient number, since it is larger than the sum of its proper divisors (77316759).
120196905 is a wasteful number, since it uses less digits than its factorization.
120196905 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 216616.
The product of its (nonzero) digits is 4860, while the sum is 33.
The square root of 120196905 is about 10963.4349088231. The cubic root of 120196905 is about 493.5120504895.
The spelling of 120196905 in words is "one hundred twenty million, one hundred ninety-six thousand, nine hundred five".
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