Base | Representation |
---|---|
bin | 111000110100110010… |
… | …0010010000001000101 |
3 | 102122222111100121101021 |
4 | 1301221210102001011 |
5 | 3444404212443244 |
6 | 132020534431141 |
7 | 11550010416304 |
oct | 1615144220105 |
9 | 378874317337 |
10 | 122030202949 |
11 | 478309606a6 |
12 | 1b7978024b1 |
13 | b6799a7ba5 |
14 | 5c98c2443b |
15 | 3293332284 |
hex | 1c69912045 |
122030202949 has 2 divisors, whose sum is σ = 122030202950. Its totient is φ = 122030202948.
The previous prime is 122030202881. The next prime is 122030203027. The reversal of 122030202949 is 949202030221.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 71216928225 + 50813274724 = 266865^2 + 225418^2 .
It is an emirp because it is prime and its reverse (949202030221) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122030202949 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122030203949) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61015101474 + 61015101475.
It is an arithmetic number, because the mean of its divisors is an integer number (61015101475).
Almost surely, 2122030202949 is an apocalyptic number.
It is an amenable number.
122030202949 is a deficient number, since it is larger than the sum of its proper divisors (1).
122030202949 is an equidigital number, since it uses as much as digits as its factorization.
122030202949 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15552, while the sum is 34.
The spelling of 122030202949 in words is "one hundred twenty-two billion, thirty million, two hundred two thousand, nine hundred forty-nine".
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