Base | Representation |
---|---|
bin | 1110011110101… |
… | …00011011101000 |
3 | 22110112121210201 |
4 | 13033110123220 |
5 | 222043100420 |
6 | 20015121544 |
7 | 3003235114 |
oct | 717243350 |
9 | 273477721 |
10 | 121456360 |
11 | 62616a63 |
12 | 348132b4 |
13 | 1c216a8c |
14 | 121b8744 |
15 | a9e210a |
hex | 73d46e8 |
121456360 has 32 divisors (see below), whose sum is σ = 287661600. Its totient is φ = 46025280.
The previous prime is 121456351. The next prime is 121456369. The reversal of 121456360 is 63654121.
It is an interprime number because it is at equal distance from previous prime (121456351) and next prime (121456369).
It is a super-4 number, since 4×1214563604 (a number of 33 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (121456369) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79146 + ... + 80665.
It is an arithmetic number, because the mean of its divisors is an integer number (8989425).
Almost surely, 2121456360 is an apocalyptic number.
121456360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121456360 is an abundant number, since it is smaller than the sum of its proper divisors (166205240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121456360 is a wasteful number, since it uses less digits than its factorization.
121456360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 159841 (or 159837 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 121456360 is about 11020.7241141406. The cubic root of 121456360 is about 495.2297814245.
The spelling of 121456360 in words is "one hundred twenty-one million, four hundred fifty-six thousand, three hundred sixty".
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