Base | Representation |
---|---|
bin | 1001001001110111110100… |
… | …00100111000000000001111 |
3 | 2122021110010001021100002221 |
4 | 10210323322010320000033 |
5 | 10114304041024043043 |
6 | 110451441143000211 |
7 | 4145242245366331 |
oct | 444737204700017 |
9 | 78243101240087 |
10 | 20130412331023 |
11 | 6461294a64605 |
12 | 23114aa439067 |
13 | b3039c726707 |
14 | 4d84623bb451 |
15 | 24d988ee68ed |
hex | 124efa13800f |
20130412331023 has 8 divisors (see below), whose sum is σ = 20215006352640. Its totient is φ = 20045821362840.
The previous prime is 20130412331021. The next prime is 20130412331087. The reversal of 20130412331023 is 32013321403102.
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 20130412331023 - 21 = 20130412331021 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20130412331021) 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, 12967536 + ... + 14436682.
It is an arithmetic number, because the mean of its divisors is an integer number (2526875794080).
Almost surely, 220130412331023 is an apocalyptic number.
20130412331023 is a deficient number, since it is larger than the sum of its proper divisors (84594021617).
20130412331023 is a wasteful number, since it uses less digits than its factorization.
20130412331023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1526717.
The product of its (nonzero) digits is 2592, while the sum is 25.
Adding to 20130412331023 its reverse (32013321403102), we get a palindrome (52143733734125).
The spelling of 20130412331023 in words is "twenty trillion, one hundred thirty billion, four hundred twelve million, three hundred thirty-one thousand, twenty-three".
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