Base | Representation |
---|---|
bin | 111000011111000101… |
… | …1100011101010001000 |
3 | 102121002202200101001200 |
4 | 1300332023203222020 |
5 | 3441411342120240 |
6 | 131420413144200 |
7 | 11522661356154 |
oct | 1607613435210 |
9 | 377082611050 |
10 | 121302301320 |
11 | 47497a94402 |
12 | 1b613a8b060 |
13 | b591c49975 |
14 | 5c2a2a6064 |
15 | 324e49c930 |
hex | 1c3e2e3a88 |
121302301320 has 96 divisors (see below), whose sum is σ = 395625859200. Its totient is φ = 32232951936.
The previous prime is 121302301319. The next prime is 121302301327. The reversal of 121302301320 is 23103203121.
121302301320 is a `hidden beast` number, since 12 + 1 + 30 + 2 + 301 + 320 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 121302301293 and 121302301302.
It is not an unprimeable number, because it can be changed into a prime (121302301327) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 493440 + ... + 697199.
It is an arithmetic number, because the mean of its divisors is an integer number (4121102700).
Almost surely, 2121302301320 is an apocalyptic number.
121302301320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121302301320 is an abundant number, since it is smaller than the sum of its proper divisors (274323557880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121302301320 is a wasteful number, since it uses less digits than its factorization.
121302301320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1190939 (or 1190932 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 121302301320 its reverse (23103203121), we get a palindrome (144405504441).
The spelling of 121302301320 in words is "one hundred twenty-one billion, three hundred two million, three hundred one thousand, three hundred twenty".
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