Base | Representation |
---|---|
bin | 1110011110010… |
… | …01111101100101 |
3 | 22110110102222110 |
4 | 13033021331211 |
5 | 222040212402 |
6 | 20014151233 |
7 | 3002666103 |
oct | 717117545 |
9 | 273412873 |
10 | 121413477 |
11 | 62597819 |
12 | 347b2519 |
13 | 1c2003c3 |
14 | 121a6c73 |
15 | a9d456c |
hex | 73c9f65 |
121413477 has 8 divisors (see below), whose sum is σ = 170404960. Its totient is φ = 76682160.
The previous prime is 121413463. The next prime is 121413493. The reversal of 121413477 is 774314121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 121413477 - 214 = 121397093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121413427) 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 7 ways as a sum of consecutive naturals, for example, 1064974 + ... + 1065087.
It is an arithmetic number, because the mean of its divisors is an integer number (21300620).
Almost surely, 2121413477 is an apocalyptic number.
It is an amenable number.
121413477 is a deficient number, since it is larger than the sum of its proper divisors (48991483).
121413477 is a wasteful number, since it uses less digits than its factorization.
121413477 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2130083.
The product of its digits is 4704, while the sum is 30.
The square root of 121413477 is about 11018.7783805647. The cubic root of 121413477 is about 495.1714904229.
Adding to 121413477 its reverse (774314121), we get a palindrome (895727598).
The spelling of 121413477 in words is "one hundred twenty-one million, four hundred thirteen thousand, four hundred seventy-seven".
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