Base | Representation |
---|---|
bin | 1101011100100010101… |
… | …1100001111100001101 |
3 | 211002020210111000002210 |
4 | 3113020223201330031 |
5 | 12241042012333401 |
6 | 254041530141033 |
7 | 22455253426551 |
oct | 3271053417415 |
9 | 732223430083 |
10 | 231000121101 |
11 | 89a6a600aa2 |
12 | 38929581779 |
13 | 18a249645b9 |
14 | b2752a9861 |
15 | 601eca54d6 |
hex | 35c8ae1f0d |
231000121101 has 8 divisors (see below), whose sum is σ = 308002545504. Its totient is φ = 153998888720.
The previous prime is 231000121073. The next prime is 231000121139. The reversal of 231000121101 is 101121000132.
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 231000121101 - 210 = 231000120077 is a prime.
It is a super-2 number, since 2×2310001211012 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231000120101) 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, 364711 + ... + 771371.
It is an arithmetic number, because the mean of its divisors is an integer number (38500318188).
Almost surely, 2231000121101 is an apocalyptic number.
It is an amenable number.
231000121101 is a deficient number, since it is larger than the sum of its proper divisors (77002424403).
231000121101 is a wasteful number, since it uses less digits than its factorization.
231000121101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 596011.
The product of its (nonzero) digits is 12, while the sum is 12.
Adding to 231000121101 its reverse (101121000132), we get a palindrome (332121121233).
The spelling of 231000121101 in words is "two hundred thirty-one billion, one hundred twenty-one thousand, one hundred one".
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