Base | Representation |
---|---|
bin | 1100001011111… |
… | …10110000111101 |
3 | 21010100212201002 |
4 | 12011332300331 |
5 | 202132343401 |
6 | 14051100045 |
7 | 2350643600 |
oct | 605766075 |
9 | 233325632 |
10 | 102231101 |
11 | 52785815 |
12 | 2a2a1625 |
13 | 1824519b |
14 | d812337 |
15 | 8e95a6b |
hex | 617ec3d |
102231101 has 6 divisors (see below), whose sum is σ = 118921950. Its totient is φ = 87626616.
The previous prime is 102231097. The next prime is 102231109. The reversal of 102231101 is 101132201.
It can be written as a sum of positive squares in only one way, i.e., 98525476 + 3705625 = 9926^2 + 1925^2 .
It is not a de Polignac number, because 102231101 - 22 = 102231097 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102231109) 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, 1043126 + ... + 1043223.
It is an arithmetic number, because the mean of its divisors is an integer number (19820325).
Almost surely, 2102231101 is an apocalyptic number.
It is an amenable number.
102231101 is a deficient number, since it is larger than the sum of its proper divisors (16690849).
102231101 is an equidigital number, since it uses as much as digits as its factorization.
102231101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2086363 (or 2086356 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 102231101 is about 10110.9396694867. The cubic root of 102231101 is about 467.5854759016.
Adding to 102231101 its reverse (101132201), we get a palindrome (203363302).
It can be divided in two parts, 1022 and 31101, that added together give a palindrome (32123).
The spelling of 102231101 in words is "one hundred two million, two hundred thirty-one thousand, one hundred one".
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