Base | Representation |
---|---|
bin | 1110011101111… |
… | …00010100111011 |
3 | 22110100121100221 |
4 | 13032330110323 |
5 | 222031421002 |
6 | 20013040511 |
7 | 3002344216 |
oct | 716742473 |
9 | 273317327 |
10 | 121357627 |
11 | 62559866 |
12 | 34786137 |
13 | 1c1b0b61 |
14 | 1219077d |
15 | a9c2c37 |
hex | 73bc53b |
121357627 has 4 divisors (see below), whose sum is σ = 121435216. Its totient is φ = 121280040.
The previous prime is 121357601. The next prime is 121357697. The reversal of 121357627 is 726753121.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 726753121 = 23339 ⋅31139.
It is a cyclic number.
It is not a de Polignac number, because 121357627 - 211 = 121355579 is a prime.
It is a super-2 number, since 2×1213576272 = 29455347262142258, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121357592 and 121357601.
It is not an unprimeable number, because it can be changed into a prime (121357697) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36399 + ... + 39592.
It is an arithmetic number, because the mean of its divisors is an integer number (30358804).
Almost surely, 2121357627 is an apocalyptic number.
121357627 is a deficient number, since it is larger than the sum of its proper divisors (77589).
121357627 is an equidigital number, since it uses as much as digits as its factorization.
121357627 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77588.
The product of its digits is 17640, while the sum is 34.
The square root of 121357627 is about 11016.2437790746. The cubic root of 121357627 is about 495.0955527539.
The spelling of 121357627 in words is "one hundred twenty-one million, three hundred fifty-seven thousand, six hundred twenty-seven".
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