Base | Representation |
---|---|
bin | 101111100101110011… |
… | …0011100110011001011 |
3 | 100202210111112002221100 |
4 | 1133023212130303023 |
5 | 3133301211231331 |
6 | 114541114512443 |
7 | 10245420351213 |
oct | 1371346346313 |
9 | 322714462840 |
10 | 102200102091 |
11 | 3a38532539a |
12 | 17982735723 |
13 | 98395786b9 |
14 | 4d37327243 |
15 | 29d2476ae6 |
hex | 17cb99cccb |
102200102091 has 6 divisors (see below), whose sum is σ = 147622369700. Its totient is φ = 68133401388.
The previous prime is 102200102083. The next prime is 102200102129. The reversal of 102200102091 is 190201002201.
It is not a de Polignac number, because 102200102091 - 23 = 102200102083 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102200100091) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5677783441 + ... + 5677783458.
Almost surely, 2102200102091 is an apocalyptic number.
102200102091 is a deficient number, since it is larger than the sum of its proper divisors (45422267609).
102200102091 is a wasteful number, since it uses less digits than its factorization.
102200102091 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11355566905 (or 11355566902 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
Adding to 102200102091 its reverse (190201002201), we get a palindrome (292401104292).
The spelling of 102200102091 in words is "one hundred two billion, two hundred million, one hundred two thousand, ninety-one".
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