Base | Representation |
---|---|
bin | 101101011010101010101… |
… | …100110101010011110111 |
3 | 102001100212120012010110112 |
4 | 231122222230311103313 |
5 | 402113312043330221 |
6 | 10345434450413235 |
7 | 441325353305234 |
oct | 55325254652367 |
9 | 12040776163415 |
10 | 3121010136311 |
11 | aa36819481a1 |
12 | 424a57b9121b |
13 | 198405093062 |
14 | ab0b446878b |
15 | 562b822e15b |
hex | 2d6aab354f7 |
3121010136311 has 8 divisors (see below), whose sum is σ = 3194843777664. Its totient is φ = 3047233404600.
The previous prime is 3121010136271. The next prime is 3121010136319. The reversal of 3121010136311 is 1136310101213.
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 3121010136311 - 26 = 3121010136247 is a prime.
It is a super-5 number, since 5×31210101363115 (a number of 64 digits) contains 55555 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3121010136319) 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, 14116421 + ... + 14335806.
It is an arithmetic number, because the mean of its divisors is an integer number (399355472208).
Almost surely, 23121010136311 is an apocalyptic number.
3121010136311 is a deficient number, since it is larger than the sum of its proper divisors (73833641353).
3121010136311 is a wasteful number, since it uses less digits than its factorization.
3121010136311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28454821.
The product of its (nonzero) digits is 324, while the sum is 23.
Adding to 3121010136311 its reverse (1136310101213), we get a palindrome (4257320237524).
The spelling of 3121010136311 in words is "three trillion, one hundred twenty-one billion, ten million, one hundred thirty-six thousand, three hundred eleven".
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