Base | Representation |
---|---|
bin | 1110011011001… |
… | …01010111000010 |
3 | 22102200111201201 |
4 | 13031211113002 |
5 | 221434021120 |
6 | 20001251414 |
7 | 2666331535 |
oct | 715452702 |
9 | 272614651 |
10 | 121001410 |
11 | 62336172 |
12 | 34633b6a |
13 | 1c0b798a |
14 | 120daa1c |
15 | a95240a |
hex | 73655c2 |
121001410 has 48 divisors (see below), whose sum is σ = 233749800. Its totient is φ = 45086720.
The previous prime is 121001399. The next prime is 121001411. The reversal of 121001410 is 14100121.
It can be written as a sum of positive squares in 12 ways, for example, as 26697889 + 94303521 = 5167^2 + 9711^2 .
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (121001411) 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, 430470 + ... + 430750.
Almost surely, 2121001410 is an apocalyptic number.
121001410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121001410 is a deficient number, since it is larger than the sum of its proper divisors (112748390).
121001410 is a wasteful number, since it uses less digits than its factorization.
121001410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 471 (or 454 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 121001410 is about 11000.0640907224. The cubic root of 121001410 is about 494.6106655249.
Adding to 121001410 its reverse (14100121), we get a palindrome (135101531).
The spelling of 121001410 in words is "one hundred twenty-one million, one thousand, four hundred ten".
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