Base | Representation |
---|---|
bin | 1110011101110… |
… | …01000001010111 |
3 | 22110022220210110 |
4 | 13032321001113 |
5 | 222031002322 |
6 | 20012454103 |
7 | 3002256564 |
oct | 716710127 |
9 | 273286713 |
10 | 121344087 |
11 | 6254a677 |
12 | 3477a333 |
13 | 1c1a7947 |
14 | 1218986b |
15 | a9bdc0c |
hex | 73b9057 |
121344087 has 4 divisors (see below), whose sum is σ = 161792120. Its totient is φ = 80896056.
The previous prime is 121344077. The next prime is 121344101. The reversal of 121344087 is 780443121.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 121344087 - 24 = 121344071 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 (121344007) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20224012 + ... + 20224017.
It is an arithmetic number, because the mean of its divisors is an integer number (40448030).
Almost surely, 2121344087 is an apocalyptic number.
121344087 is a deficient number, since it is larger than the sum of its proper divisors (40448033).
121344087 is an equidigital number, since it uses as much as digits as its factorization.
121344087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40448032.
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 121344087 is about 11015.6292148928. The cubic root of 121344087 is about 495.0771392893.
The spelling of 121344087 in words is "one hundred twenty-one million, three hundred forty-four thousand, eighty-seven".
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