Base | Representation |
---|---|
bin | 101111000101101001… |
… | …0000000001100001001 |
3 | 100200000022000001102200 |
4 | 1132023102000030021 |
5 | 3124043434001301 |
6 | 114242045550413 |
7 | 10206605214444 |
oct | 1361322001411 |
9 | 320008001380 |
10 | 101121000201 |
11 | 39981194151 |
12 | 17721275409 |
13 | 96c6b33b80 |
14 | 4c73ca865b |
15 | 296c86cc86 |
hex | 178b480309 |
101121000201 has 24 divisors (see below), whose sum is σ = 157335237696. Its totient is φ = 62214104160.
The previous prime is 101121000191. The next prime is 101121000209. The reversal of 101121000201 is 102000121101.
It is a happy number.
It is not a de Polignac number, because 101121000201 - 29 = 101120999689 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (101121000209) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 428116 + ... + 620906.
It is an arithmetic number, because the mean of its divisors is an integer number (6555634904).
Almost surely, 2101121000201 is an apocalyptic number.
It is an amenable number.
101121000201 is a deficient number, since it is larger than the sum of its proper divisors (56214237495).
101121000201 is a wasteful number, since it uses less digits than its factorization.
101121000201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197293 (or 197290 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 9.
Adding to 101121000201 its reverse (102000121101), we get a palindrome (203121121302).
The spelling of 101121000201 in words is "one hundred one billion, one hundred twenty-one million, two hundred one", and thus it is an aban number.
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