Base | Representation |
---|---|
bin | 111000101101000100… |
… | …0110001001000000101 |
3 | 102122022110020121100002 |
4 | 1301122020301020011 |
5 | 3443341430111401 |
6 | 131535130131045 |
7 | 11540415146636 |
oct | 1613210611005 |
9 | 378273217302 |
10 | 121771332101 |
11 | 47708819151 |
12 | 1b724b80a85 |
13 | b63817a883 |
14 | 5c726b988d |
15 | 327a749a6b |
hex | 1c5a231205 |
121771332101 has 8 divisors (see below), whose sum is σ = 128213867520. Its totient is φ = 115332148512.
The previous prime is 121771332091. The next prime is 121771332103. The reversal of 121771332101 is 101233177121.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121771332101 - 234 = 104591462917 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121771332103) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763205 + ... + 908858.
It is an arithmetic number, because the mean of its divisors is an integer number (16026733440).
Almost surely, 2121771332101 is an apocalyptic number.
It is an amenable number.
121771332101 is a deficient number, since it is larger than the sum of its proper divisors (6442535419).
121771332101 is a wasteful number, since it uses less digits than its factorization.
121771332101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1675915.
The product of its (nonzero) digits is 1764, while the sum is 29.
The spelling of 121771332101 in words is "one hundred twenty-one billion, seven hundred seventy-one million, three hundred thirty-two thousand, one hundred one".
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