Base | Representation |
---|---|
bin | 11111001001001001001… |
… | …010000111101101111111 |
3 | 21120121000201102102010010 |
4 | 133021021022013231333 |
5 | 240030432000300411 |
6 | 4315054050314303 |
7 | 310422124142016 |
oct | 37111112075577 |
9 | 7517021372103 |
10 | 2140121103231 |
11 | 75569062a641 |
12 | 2a692a288993 |
13 | 126a74248487 |
14 | 75822203a7d |
15 | 3aa096717a6 |
hex | 1f249287b7f |
2140121103231 has 8 divisors (see below), whose sum is σ = 2853503763120. Its totient is φ = 1426742922752.
The previous prime is 2140121103199. The next prime is 2140121103233. The reversal of 2140121103231 is 1323011210412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2140121103231 - 25 = 2140121103199 is a prime.
It is a super-3 number, since 3×21401211032313 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 2140121103198 and 2140121103207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2140121103233) 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, 226015 + ... + 2081183.
It is an arithmetic number, because the mean of its divisors is an integer number (356687970390).
Almost surely, 22140121103231 is an apocalyptic number.
2140121103231 is a deficient number, since it is larger than the sum of its proper divisors (713382659889).
2140121103231 is a wasteful number, since it uses less digits than its factorization.
2140121103231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2239705.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 2140121103231 its reverse (1323011210412), we get a palindrome (3463132313643).
The spelling of 2140121103231 in words is "two trillion, one hundred forty billion, one hundred twenty-one million, one hundred three thousand, two hundred thirty-one".
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