Base | Representation |
---|---|
bin | 10110101010011… |
… | …001000111111011 |
3 | 222111102202102002 |
4 | 112222121013323 |
5 | 1234313233312 |
6 | 101421131215 |
7 | 12264513641 |
oct | 2652310773 |
9 | 874382362 |
10 | 380211707 |
11 | 18568a757 |
12 | a73b9b0b |
13 | 60a03655 |
14 | 386d3191 |
15 | 235a54c2 |
hex | 16a991fb |
380211707 has 2 divisors, whose sum is σ = 380211708. Its totient is φ = 380211706.
The previous prime is 380211703. The next prime is 380211751. The reversal of 380211707 is 707112083.
It is a weak prime.
It is an emirp because it is prime and its reverse (707112083) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 380211707 - 22 = 380211703 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 380211707.
It is not a weakly prime, because it can be changed into another prime (380211701) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190105853 + 190105854.
It is an arithmetic number, because the mean of its divisors is an integer number (190105854).
Almost surely, 2380211707 is an apocalyptic number.
380211707 is a deficient number, since it is larger than the sum of its proper divisors (1).
380211707 is an equidigital number, since it uses as much as digits as its factorization.
380211707 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2352, while the sum is 29.
The square root of 380211707 is about 19499.0181034841. The cubic root of 380211707 is about 724.4501305056.
The spelling of 380211707 in words is "three hundred eighty million, two hundred eleven thousand, seven hundred seven".
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