Base | Representation |
---|---|
bin | 111000011100011101… |
… | …1111010011101010000 |
3 | 102120212122010011120220 |
4 | 1300320323322131100 |
5 | 3441221331024240 |
6 | 131403551233040 |
7 | 11520542446251 |
oct | 1607073723520 |
9 | 376778104526 |
10 | 121214314320 |
11 | 47452358480 |
12 | 1b5aa518780 |
13 | b579951058 |
14 | 5c1c720b28 |
15 | 32468bc5d0 |
hex | 1c38efa750 |
121214314320 has 80 divisors (see below), whose sum is σ = 409924780992. Its totient is φ = 29385287680.
The previous prime is 121214314303. The next prime is 121214314321. The reversal of 121214314320 is 23413412121.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121214314321) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22954617 + ... + 22959896.
Almost surely, 2121214314320 is an apocalyptic number.
121214314320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121214314320 is an abundant number, since it is smaller than the sum of its proper divisors (288710466672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121214314320 is a wasteful number, since it uses less digits than its factorization.
121214314320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45914540 (or 45914534 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
Adding to 121214314320 its reverse (23413412121), we get a palindrome (144627726441).
It can be divided in two parts, 121214 and 314320, that added together give a palindrome (435534).
The spelling of 121214314320 in words is "one hundred twenty-one billion, two hundred fourteen million, three hundred fourteen thousand, three hundred twenty".
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