Base | Representation |
---|---|
bin | 1110100010010… |
… | …10100110000000 |
3 | 22111110012201100 |
4 | 13101022212000 |
5 | 222204042402 |
6 | 20033334400 |
7 | 3010322142 |
oct | 721124600 |
9 | 274405640 |
10 | 121940352 |
11 | 62917656 |
12 | 34a07400 |
13 | 1c356171 |
14 | 122a2c92 |
15 | aa8a71c |
hex | 744a980 |
121940352 has 96 divisors (see below), whose sum is σ = 353723760. Its totient is φ = 40320000.
The previous prime is 121940339. The next prime is 121940353. The reversal of 121940352 is 253049121.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121940353) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173602 + ... + 174302.
Almost surely, 2121940352 is an apocalyptic number.
121940352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 121940352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176861880).
121940352 is an abundant number, since it is smaller than the sum of its proper divisors (231783408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121940352 is a wasteful number, since it uses less digits than its factorization.
121940352 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 872 (or 857 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 121940352 is about 11042.6605489800. The cubic root of 121940352 is about 495.8867240454.
Adding to 121940352 its reverse (253049121), we get a palindrome (374989473).
The spelling of 121940352 in words is "one hundred twenty-one million, nine hundred forty thousand, three hundred fifty-two".
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