Base | Representation |
---|---|
bin | 1100001011001… |
… | …00001001100000 |
3 | 21010011100011021 |
4 | 12011210021200 |
5 | 202120401310 |
6 | 14044455224 |
7 | 2350011004 |
oct | 605441140 |
9 | 233140137 |
10 | 102122080 |
11 | 52710915 |
12 | 2a24a514 |
13 | 18207688 |
14 | d7c4704 |
15 | 8e735da |
hex | 6164260 |
102122080 has 24 divisors (see below), whose sum is σ = 241263792. Its totient is φ = 40848768.
The previous prime is 102122057. The next prime is 102122089. The reversal of 102122080 is 80221201.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102122089) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318972 + ... + 319291.
It is an arithmetic number, because the mean of its divisors is an integer number (10052658).
Almost surely, 2102122080 is an apocalyptic number.
102122080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102122080 is an abundant number, since it is smaller than the sum of its proper divisors (139141712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102122080 is an equidigital number, since it uses as much as digits as its factorization.
102122080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 638278 (or 638270 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
The square root of 102122080 is about 10105.5469916279. The cubic root of 102122080 is about 467.4192030576.
Adding to 102122080 its reverse (80221201), we get a palindrome (182343281).
The spelling of 102122080 in words is "one hundred two million, one hundred twenty-two thousand, eighty".
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