Base | Representation |
---|---|
bin | 1110011011100… |
… | …11110010100000 |
3 | 22102210111210200 |
4 | 13031303302200 |
5 | 221442414022 |
6 | 20002425200 |
7 | 2666666046 |
oct | 715636240 |
9 | 272714720 |
10 | 121060512 |
11 | 62376611 |
12 | 34662200 |
13 | 1c108851 |
14 | 12114396 |
15 | a964bac |
hex | 7373ca0 |
121060512 has 36 divisors (see below), whose sum is σ = 344266650. Its totient is φ = 40353408.
The previous prime is 121060493. The next prime is 121060517. The reversal of 121060512 is 215060121.
It can be written as a sum of positive squares in only one way, i.e., 112275216 + 8785296 = 10596^2 + 2964^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (121060517) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209887 + ... + 210462.
Almost surely, 2121060512 is an apocalyptic number.
121060512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121060512 is an abundant number, since it is smaller than the sum of its proper divisors (223206138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121060512 is a wasteful number, since it uses less digits than its factorization.
121060512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 420365 (or 420354 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 121060512 is about 11002.7502016541. The cubic root of 121060512 is about 494.6911817255.
The spelling of 121060512 in words is "one hundred twenty-one million, sixty thousand, five hundred twelve".
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