Base | Representation |
---|---|
bin | 101111100011011101… |
… | …0010101110011100001 |
3 | 100202121000111011110010 |
4 | 1133012322111303201 |
5 | 3133121041231431 |
6 | 114525224355133 |
7 | 10243443556215 |
oct | 1370672256341 |
9 | 322530434403 |
10 | 102121430241 |
11 | 3a344981036 |
12 | 17960315aa9 |
13 | 98261919cc |
14 | 4d2aac8945 |
15 | 29ca5d6846 |
hex | 17c6e95ce1 |
102121430241 has 32 divisors (see below), whose sum is σ = 143845632000. Its totient is φ = 64348063808.
The previous prime is 102121430239. The next prime is 102121430249. The reversal of 102121430241 is 142034121201.
It is not a de Polignac number, because 102121430241 - 21 = 102121430239 is a prime.
It is not an unprimeable number, because it can be changed into a prime (102121430249) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1185166 + ... + 1268408.
It is an arithmetic number, because the mean of its divisors is an integer number (4495176000).
Almost surely, 2102121430241 is an apocalyptic number.
It is an amenable number.
102121430241 is a deficient number, since it is larger than the sum of its proper divisors (41724201759).
102121430241 is a wasteful number, since it uses less digits than its factorization.
102121430241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83573.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 102121430241 its reverse (142034121201), we get a palindrome (244155551442).
The spelling of 102121430241 in words is "one hundred two billion, one hundred twenty-one million, four hundred thirty thousand, two hundred forty-one".
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