Base | Representation |
---|---|
bin | 10010110000000001… |
… | …010011111101110001 |
3 | 1220222002210112020021 |
4 | 102300001103331301 |
5 | 312213022044441 |
6 | 13125440043441 |
7 | 1311625463050 |
oct | 226001237561 |
9 | 56862715207 |
10 | 20133003121 |
11 | 85a1612260 |
12 | 3a9a603581 |
13 | 1b8b1052ca |
14 | d8dc28397 |
15 | 7cc78e3d1 |
hex | 4b0053f71 |
20133003121 has 8 divisors (see below), whose sum is σ = 25100887104. Its totient is φ = 15688054320.
The previous prime is 20133003071. The next prime is 20133003131. The reversal of 20133003121 is 12130033102.
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 20133003121 - 211 = 20133001073 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20133003095 and 20133003104.
It is not an unprimeable number, because it can be changed into a prime (20133003131) 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, 130733710 + ... + 130733863.
It is an arithmetic number, because the mean of its divisors is an integer number (3137610888).
Almost surely, 220133003121 is an apocalyptic number.
It is an amenable number.
20133003121 is a deficient number, since it is larger than the sum of its proper divisors (4967883983).
20133003121 is a wasteful number, since it uses less digits than its factorization.
20133003121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 261467591.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 20133003121 its reverse (12130033102), we get a palindrome (32263036223).
The spelling of 20133003121 in words is "twenty billion, one hundred thirty-three million, three thousand, one hundred twenty-one".
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