Base | Representation |
---|---|
bin | 111000010111000010… |
… | …1100111110111000101 |
3 | 102120101221122101220001 |
4 | 1300232011213313011 |
5 | 3440333232411323 |
6 | 131333530241301 |
7 | 11513202443113 |
oct | 1605605476705 |
9 | 376357571801 |
10 | 121032310213 |
11 | 47369647061 |
12 | 1b559586231 |
13 | b54b027c09 |
14 | 5c024a4ab3 |
15 | 323591a3ad |
hex | 1c2e167dc5 |
121032310213 has 8 divisors (see below), whose sum is σ = 123026495840. Its totient is φ = 119038448880.
The previous prime is 121032310171. The next prime is 121032310249. The reversal of 121032310213 is 312013230121.
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-121032310213 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 (121032310283) 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, 739306 + ... + 888052.
It is an arithmetic number, because the mean of its divisors is an integer number (15378311980).
Almost surely, 2121032310213 is an apocalyptic number.
It is an amenable number.
121032310213 is a deficient number, since it is larger than the sum of its proper divisors (1994185627).
121032310213 is a wasteful number, since it uses less digits than its factorization.
121032310213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162147.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 121032310213 its reverse (312013230121), we get a palindrome (433045540334).
The spelling of 121032310213 in words is "one hundred twenty-one billion, thirty-two million, three hundred ten thousand, two hundred thirteen".
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