Base | Representation |
---|---|
bin | 1110011101000… |
… | …11001101110000 |
3 | 22110011101021100 |
4 | 13032203031300 |
5 | 222020123033 |
6 | 20010524400 |
7 | 3001435305 |
oct | 716431560 |
9 | 273141240 |
10 | 121254768 |
11 | 62499558 |
12 | 34736700 |
13 | 1c1760ab |
14 | 121650ac |
15 | a9a2513 |
hex | 73a3370 |
121254768 has 30 divisors (see below), whose sum is σ = 339345344. Its totient is φ = 40418208.
The previous prime is 121254743. The next prime is 121254769. The reversal of 121254768 is 867452121.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121254769) 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, 420880 + ... + 421167.
Almost surely, 2121254768 is an apocalyptic number.
121254768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
121254768 is an abundant number, since it is smaller than the sum of its proper divisors (218090576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121254768 is a wasteful number, since it uses less digits than its factorization.
121254768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 842061 (or 842052 counting only the distinct ones).
The product of its digits is 26880, while the sum is 36.
The square root of 121254768 is about 11011.5742743715. The cubic root of 121254768 is about 494.9556372854.
The spelling of 121254768 in words is "one hundred twenty-one million, two hundred fifty-four thousand, seven hundred sixty-eight".
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