Base | Representation |
---|---|
bin | 1110011011111… |
… | …01100010010000 |
3 | 22102212112120012 |
4 | 13031331202100 |
5 | 222000203212 |
6 | 20003334052 |
7 | 3000223325 |
oct | 715754220 |
9 | 272775505 |
10 | 121100432 |
11 | 623a3602 |
12 | 34681328 |
13 | 1c120a7b |
14 | 12124b4c |
15 | a971922 |
hex | 737d890 |
121100432 has 10 divisors (see below), whose sum is σ = 234632118. Its totient is φ = 60550208.
The previous prime is 121100411. The next prime is 121100437. The reversal of 121100432 is 234001121.
It can be written as a sum of positive squares in only one way, i.e., 120209296 + 891136 = 10964^2 + 944^2 .
It is not an unprimeable number, because it can be changed into a prime (121100437) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3784373 + ... + 3784404.
Almost surely, 2121100432 is an apocalyptic number.
It is an amenable number.
121100432 is a deficient number, since it is larger than the sum of its proper divisors (113531686).
121100432 is an equidigital number, since it uses as much as digits as its factorization.
121100432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7568785 (or 7568779 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 121100432 is about 11004.5641440268. The cubic root of 121100432 is about 494.7455509590.
Adding to 121100432 its reverse (234001121), we get a palindrome (355101553).
The spelling of 121100432 in words is "one hundred twenty-one million, one hundred thousand, four hundred thirty-two".
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