Base | Representation |
---|---|
bin | 10111001101111010010111… |
… | …111010100111110100111001 |
3 | 111101112201121012201020111022 |
4 | 113031322113322213310321 |
5 | 101340442013403102301 |
6 | 1001101105312312225 |
7 | 30336166164354161 |
oct | 2715722772476471 |
9 | 441481535636438 |
10 | 102111101222201 |
11 | 2a599090677665 |
12 | b551995242675 |
13 | 44c9060095286 |
14 | 1b302bcc215a1 |
15 | bc12263bcd1b |
hex | 5cde97ea7d39 |
102111101222201 has 16 divisors (see below), whose sum is σ = 107966821079040. Its totient is φ = 96304022614800.
The previous prime is 102111101222183. The next prime is 102111101222213. The reversal of 102111101222201 is 102222101111201.
It is not a de Polignac number, because 102111101222201 - 246 = 31742357044537 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 102111101222201.
It is not an unprimeable number, because it can be changed into a prime (102111101222701) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520976 + ... + 14300126.
It is an arithmetic number, because the mean of its divisors is an integer number (6747926317440).
Almost surely, 2102111101222201 is an apocalyptic number.
It is an amenable number.
102111101222201 is a deficient number, since it is larger than the sum of its proper divisors (5855719856839).
102111101222201 is a wasteful number, since it uses less digits than its factorization.
102111101222201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13780916.
The product of its (nonzero) digits is 32, while the sum is 17.
Adding to 102111101222201 its reverse (102222101111201), we get a palindrome (204333202333402).
The spelling of 102111101222201 in words is "one hundred two trillion, one hundred eleven billion, one hundred one million, two hundred twenty-two thousand, two hundred one".
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