Base | Representation |
---|---|
bin | 1110011100010… |
… | …00011011001000 |
3 | 22102221210202001 |
4 | 13032020123020 |
5 | 222003120112 |
6 | 20004320344 |
7 | 3000500341 |
oct | 716103310 |
9 | 272853661 |
10 | 121145032 |
11 | 62424068 |
12 | 346a30b4 |
13 | 1c138168 |
14 | 121370c8 |
15 | a97ec57 |
hex | 73886c8 |
121145032 has 8 divisors (see below), whose sum is σ = 227146950. Its totient is φ = 60572512.
The previous prime is 121145021. The next prime is 121145041. The reversal of 121145032 is 230541121.
It can be written as a sum of positive squares in only one way, i.e., 121132036 + 12996 = 11006^2 + 114^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-3 number, since 3×1211450323 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7571557 + ... + 7571572.
Almost surely, 2121145032 is an apocalyptic number.
It is an amenable number.
121145032 is a deficient number, since it is larger than the sum of its proper divisors (106001918).
121145032 is a wasteful number, since it uses less digits than its factorization.
121145032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15143135 (or 15143131 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 121145032 is about 11006.5903893985. The cubic root of 121145032 is about 494.8062800109.
Adding to 121145032 its reverse (230541121), we get a palindrome (351686153).
The spelling of 121145032 in words is "one hundred twenty-one million, one hundred forty-five thousand, thirty-two".
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