Base | Representation |
---|---|
bin | 101111000010000100… |
… | …0101101000101100101 |
3 | 100122200221102121122211 |
4 | 1132010020231011211 |
5 | 3123322241402044 |
6 | 114222124323421 |
7 | 10203621241654 |
oct | 1360410550545 |
9 | 318627377584 |
10 | 101001122149 |
11 | 3991a555a84 |
12 | 176a90a3571 |
13 | 96a8050605 |
14 | 4c61dc119b |
15 | 296208d634 |
hex | 178422d165 |
101001122149 has 2 divisors, whose sum is σ = 101001122150. Its totient is φ = 101001122148.
The previous prime is 101001121909. The next prime is 101001122171. The reversal of 101001122149 is 941221100101.
It is an a-pointer prime, because the next prime (101001122171) can be obtained adding 101001122149 to its sum of digits (22).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 72728381124 + 28272741025 = 269682^2 + 168145^2 .
It is a cyclic number.
It is not a de Polignac number, because 101001122149 - 215 = 101001089381 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (101001122179) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500561074 + 50500561075.
It is an arithmetic number, because the mean of its divisors is an integer number (50500561075).
Almost surely, 2101001122149 is an apocalyptic number.
It is an amenable number.
101001122149 is a deficient number, since it is larger than the sum of its proper divisors (1).
101001122149 is an equidigital number, since it uses as much as digits as its factorization.
101001122149 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 22.
The spelling of 101001122149 in words is "one hundred one billion, one million, one hundred twenty-two thousand, one hundred forty-nine".
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