Base | Representation |
---|---|
bin | 111000110110111001… |
… | …0110001010011101111 |
3 | 102200011102210001120022 |
4 | 1301231302301103233 |
5 | 4000030341004444 |
6 | 132031550312355 |
7 | 11551531211351 |
oct | 1615562612357 |
9 | 380142701508 |
10 | 122101109999 |
11 | 47867991170 |
12 | 1b7b74b86bb |
13 | b68b5a351b |
14 | 5ca44010d1 |
15 | 329968b9ee |
hex | 1c6dcb14ef |
122101109999 has 32 divisors (see below), whose sum is σ = 139978450944. Its totient is φ = 105423450880.
The previous prime is 122101109989. The next prime is 122101110041. The reversal of 122101109999 is 999901101221.
It is not a de Polignac number, because 122101109999 - 228 = 121832674543 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122101109909) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48013322 + ... + 48015864.
It is an arithmetic number, because the mean of its divisors is an integer number (4374326592).
Almost surely, 2122101109999 is an apocalyptic number.
122101109999 is a deficient number, since it is larger than the sum of its proper divisors (17877340945).
122101109999 is a wasteful number, since it uses less digits than its factorization.
122101109999 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3847.
The product of its (nonzero) digits is 26244, while the sum is 44.
The spelling of 122101109999 in words is "one hundred twenty-two billion, one hundred one million, one hundred nine thousand, nine hundred ninety-nine".
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