Base | Representation |
---|---|
bin | 1011101010111111… |
… | …0101000010111101 |
3 | 22002100110222111221 |
4 | 2322233311002331 |
5 | 22404033201341 |
6 | 1234521113341 |
7 | 140432624656 |
oct | 27257650275 |
9 | 8070428457 |
10 | 3133100221 |
11 | 136860a629 |
12 | 735328851 |
13 | 3ac147174 |
14 | 21a17252d |
15 | 1350d5ed1 |
hex | babf50bd |
3133100221 has 8 divisors (see below), whose sum is σ = 3330621504. Its totient is φ = 2937048000.
The previous prime is 3133100207. The next prime is 3133100237. The reversal of 3133100221 is 1220013313.
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 3133100221 - 25 = 3133100189 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 3133100195 and 3133100204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3133100261) 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, 362865 + ... + 371398.
It is an arithmetic number, because the mean of its divisors is an integer number (416327688).
Almost surely, 23133100221 is an apocalyptic number.
It is an amenable number.
3133100221 is a deficient number, since it is larger than the sum of its proper divisors (197521283).
3133100221 is a wasteful number, since it uses less digits than its factorization.
3133100221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 734531.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 3133100221 is about 55974.1031281431. The cubic root of 3133100221 is about 1463.2709893594.
Adding to 3133100221 its reverse (1220013313), we get a palindrome (4353113534).
The spelling of 3133100221 in words is "three billion, one hundred thirty-three million, one hundred thousand, two hundred twenty-one".
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