Base | Representation |
---|---|
bin | 111000010110110010… |
… | …1111100000011100001 |
3 | 102120101101000102100102 |
4 | 1300231211330003201 |
5 | 3440324121114241 |
6 | 131333032232145 |
7 | 11513042030513 |
oct | 1605545740341 |
9 | 376341012312 |
10 | 121024004321 |
11 | 47364993790 |
12 | 1b55683b655 |
13 | b5493aa49c |
14 | 5c01341bb3 |
15 | 3234d2939b |
hex | 1c2d97c0e1 |
121024004321 has 8 divisors (see below), whose sum is σ = 132248834784. Its totient is φ = 109836281920.
The previous prime is 121024004281. The next prime is 121024004357. The reversal of 121024004321 is 123400420121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-121024004321 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 121024004293 and 121024004302.
It is not an unprimeable number, because it can be changed into a prime (121024004021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9270191 + ... + 9283236.
It is an arithmetic number, because the mean of its divisors is an integer number (16531104348).
Almost surely, 2121024004321 is an apocalyptic number.
121024004321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
121024004321 is a deficient number, since it is larger than the sum of its proper divisors (11224830463).
121024004321 is a wasteful number, since it uses less digits than its factorization.
121024004321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18554031.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 121024004321 its reverse (123400420121), we get a palindrome (244424424442).
The spelling of 121024004321 in words is "one hundred twenty-one billion, twenty-four million, four thousand, three hundred twenty-one".
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