Base | Representation |
---|---|
bin | 111001110101100010… |
… | …1111111110111101101 |
3 | 102212120221102111101102 |
4 | 1303223011333313231 |
5 | 4013332021134011 |
6 | 133020323452445 |
7 | 11654605436204 |
oct | 1635305776755 |
9 | 385527374342 |
10 | 124203302381 |
11 | 48746587444 |
12 | 200a3527125 |
13 | b934c7b242 |
14 | 602369c23b |
15 | 336ded873b |
hex | 1ceb17fded |
124203302381 has 2 divisors, whose sum is σ = 124203302382. Its totient is φ = 124203302380.
The previous prime is 124203302369. The next prime is 124203302467. The reversal of 124203302381 is 183203302421.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 117415190281 + 6788112100 = 342659^2 + 82390^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-124203302381 is a prime.
It is a super-2 number, since 2×1242033023812 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (124203302351) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62101651190 + 62101651191.
It is an arithmetic number, because the mean of its divisors is an integer number (62101651191).
Almost surely, 2124203302381 is an apocalyptic number.
It is an amenable number.
124203302381 is a deficient number, since it is larger than the sum of its proper divisors (1).
124203302381 is an equidigital number, since it uses as much as digits as its factorization.
124203302381 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6912, while the sum is 29.
The spelling of 124203302381 in words is "one hundred twenty-four billion, two hundred three million, three hundred two thousand, three hundred eighty-one".
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