Base | Representation |
---|---|
bin | 1001000111110111011111… |
… | …00111010110100110011011 |
3 | 2122000212021122012022212201 |
4 | 10203323233213112212123 |
5 | 10112141441414440011 |
6 | 110400044524151031 |
7 | 4140253046556325 |
oct | 443735747264633 |
9 | 78025248168781 |
10 | 20061517343131 |
11 | 64350505a0490 |
12 | 2300081698477 |
13 | b26a401c61a4 |
14 | 4d4da844a615 |
15 | 24bca590bcc1 |
hex | 123eef9d699b |
20061517343131 has 8 divisors (see below), whose sum is σ = 23037149102400. Its totient is φ = 17277861826440.
The previous prime is 20061517343113. The next prime is 20061517343141. The reversal of 20061517343131 is 13134371516002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20061517343131 - 227 = 20061383125403 is a prime.
It is a super-2 number, since 2×200615173431312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20061517343141) 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, 47994060421 + ... + 47994060838.
It is an arithmetic number, because the mean of its divisors is an integer number (2879643637800).
Almost surely, 220061517343131 is an apocalyptic number.
20061517343131 is a deficient number, since it is larger than the sum of its proper divisors (2975631759269).
20061517343131 is a wasteful number, since it uses less digits than its factorization.
20061517343131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95988121289.
The product of its (nonzero) digits is 45360, while the sum is 37.
Adding to 20061517343131 its reverse (13134371516002), we get a palindrome (33195888859133).
The spelling of 20061517343131 in words is "twenty trillion, sixty-one billion, five hundred seventeen million, three hundred forty-three thousand, one hundred thirty-one".
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