Base | Representation |
---|---|
bin | 1110011111010… |
… | …01000000010011 |
3 | 22110200220101201 |
4 | 13033221000103 |
5 | 222103300002 |
6 | 20021012031 |
7 | 3004035565 |
oct | 717510023 |
9 | 273626351 |
10 | 121540627 |
11 | 626742aa |
12 | 34854017 |
13 | 1c246240 |
14 | 121db335 |
15 | aa0c087 |
hex | 73e9013 |
121540627 has 8 divisors (see below), whose sum is σ = 131833520. Its totient is φ = 111382560.
The previous prime is 121540603. The next prime is 121540669. The reversal of 121540627 is 726045121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121540627 - 27 = 121540499 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 121540595 and 121540604.
It is not an unprimeable number, because it can be changed into a prime (121541627) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31824 + ... + 35437.
It is an arithmetic number, because the mean of its divisors is an integer number (16479190).
Almost surely, 2121540627 is an apocalyptic number.
121540627 is a deficient number, since it is larger than the sum of its proper divisors (10292893).
121540627 is a wasteful number, since it uses less digits than its factorization.
121540627 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67413.
The product of its (nonzero) digits is 3360, while the sum is 28.
The square root of 121540627 is about 11024.5465666394. The cubic root of 121540627 is about 495.3442858729.
Adding to 121540627 its reverse (726045121), we get a palindrome (847585748).
The spelling of 121540627 in words is "one hundred twenty-one million, five hundred forty thousand, six hundred twenty-seven".
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