Base | Representation |
---|---|
bin | 101111100101110101… |
… | …1000110011011110001 |
3 | 100202210120211001020120 |
4 | 1133023223012123301 |
5 | 3133302014234301 |
6 | 114541201000453 |
7 | 10245433616400 |
oct | 1371353063361 |
9 | 322716731216 |
10 | 102201321201 |
11 | 3a385a88321 |
12 | 17983023129 |
13 | 98398b4575 |
14 | 4d37563637 |
15 | 29d2617e36 |
hex | 17cbac66f1 |
102201321201 has 24 divisors (see below), whose sum is σ = 158627589120. Its totient is φ = 58359766752.
The previous prime is 102201321199. The next prime is 102201321253. The reversal of 102201321201 is 102123102201.
It is not a de Polignac number, because 102201321201 - 21 = 102201321199 is a prime.
It is a super-2 number, since 2×1022013212012 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (102201323201) 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, 33201 + ... + 453326.
It is an arithmetic number, because the mean of its divisors is an integer number (6609482880).
Almost surely, 2102201321201 is an apocalyptic number.
It is an amenable number.
102201321201 is a deficient number, since it is larger than the sum of its proper divisors (56426267919).
102201321201 is a wasteful number, since it uses less digits than its factorization.
102201321201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 487973 (or 487966 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 102201321201 its reverse (102123102201), we get a palindrome (204324423402).
The spelling of 102201321201 in words is "one hundred two billion, two hundred one million, three hundred twenty-one thousand, two hundred one".
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