Base | Representation |
---|---|
bin | 1110011110001… |
… | …11101110100111 |
3 | 22110102222102120 |
4 | 13033013232213 |
5 | 222034414302 |
6 | 20014041023 |
7 | 3002630322 |
oct | 717075647 |
9 | 273388376 |
10 | 121404327 |
11 | 62590960 |
12 | 347a9173 |
13 | 1c1c91a5 |
14 | 121a37b9 |
15 | a9d19bc |
hex | 73c7ba7 |
121404327 has 48 divisors (see below), whose sum is σ = 197137152. Its totient is φ = 65556480.
The previous prime is 121404313. The next prime is 121404347. The reversal of 121404327 is 723404121.
It is a happy number.
It is not a de Polignac number, because 121404327 - 211 = 121402279 is a prime.
It is a super-2 number, since 2×1214043272 = 29478021228645858, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 121404297 and 121404306.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121404347) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1251543 + ... + 1251639.
It is an arithmetic number, because the mean of its divisors is an integer number (4107024).
Almost surely, 2121404327 is an apocalyptic number.
121404327 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
121404327 is a deficient number, since it is larger than the sum of its proper divisors (75732825).
121404327 is a wasteful number, since it uses less digits than its factorization.
121404327 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 248 (or 151 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 121404327 is about 11018.3631724499. The cubic root of 121404327 is about 495.1590510215.
Adding to 121404327 its reverse (723404121), we get a palindrome (844808448).
The spelling of 121404327 in words is "one hundred twenty-one million, four hundred four thousand, three hundred twenty-seven".
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