Base | Representation |
---|---|
bin | 1110011101100… |
… | …11101111100001 |
3 | 22110021211010122 |
4 | 13032303233201 |
5 | 222024304330 |
6 | 20012210025 |
7 | 3002136545 |
oct | 716635741 |
9 | 273254118 |
10 | 121322465 |
11 | 62535400 |
12 | 34769915 |
13 | 1c19ab54 |
14 | 12181a25 |
15 | a9b75e5 |
hex | 73b3be1 |
121322465 has 24 divisors (see below), whose sum is σ = 161387520. Its totient is φ = 87484320.
The previous prime is 121322449. The next prime is 121322471. The reversal of 121322465 is 564223121.
It is a happy number.
It is not a de Polignac number, because 121322465 - 24 = 121322449 is a prime.
It is a Curzon number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 76046 + ... + 77624.
It is an arithmetic number, because the mean of its divisors is an integer number (6724480).
Almost surely, 2121322465 is an apocalyptic number.
It is an amenable number.
121322465 is a deficient number, since it is larger than the sum of its proper divisors (40065055).
121322465 is a wasteful number, since it uses less digits than its factorization.
121322465 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1733 (or 1722 counting only the distinct ones).
The product of its digits is 2880, while the sum is 26.
The square root of 121322465 is about 11014.6477474316. The cubic root of 121322465 is about 495.0477320226.
Adding to 121322465 its reverse (564223121), we get a palindrome (685545586).
The spelling of 121322465 in words is "one hundred twenty-one million, three hundred twenty-two thousand, four hundred sixty-five".
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