Base | Representation |
---|---|
bin | 101111001000101001… |
… | …1010101000001100011 |
3 | 100200021100001221011121 |
4 | 1132101103111001203 |
5 | 3124300313322404 |
6 | 114300054553111 |
7 | 10212242616505 |
oct | 1362123250143 |
9 | 320240057147 |
10 | 101222010979 |
11 | 39a23206031 |
12 | 1774b068797 |
13 | 9711a3c76b |
14 | 4c8347dd75 |
15 | 2976671e54 |
hex | 17914d5063 |
101222010979 has 2 divisors, whose sum is σ = 101222010980. Its totient is φ = 101222010978.
The previous prime is 101222010973. The next prime is 101222011019. The reversal of 101222010979 is 979010222101.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (979010222101) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 101222010979 - 225 = 101188456547 is a prime.
It is not a weakly prime, because it can be changed into another prime (101222010973) 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, 50611005489 + 50611005490.
It is an arithmetic number, because the mean of its divisors is an integer number (50611005490).
Almost surely, 2101222010979 is an apocalyptic number.
101222010979 is a deficient number, since it is larger than the sum of its proper divisors (1).
101222010979 is an equidigital number, since it uses as much as digits as its factorization.
101222010979 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4536, while the sum is 34.
The spelling of 101222010979 in words is "one hundred one billion, two hundred twenty-two million, ten thousand, nine hundred seventy-nine".
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