Base | Representation |
---|---|
bin | 101111101010000110… |
… | …0111100110100000100 |
3 | 100210011120001211111100 |
4 | 1133110030330310010 |
5 | 3134100132144140 |
6 | 115003311540100 |
7 | 10252122103065 |
oct | 1372414746404 |
9 | 323146054440 |
10 | 102344412420 |
11 | 3a449830928 |
12 | 17a02b2a630 |
13 | 9860434923 |
14 | 4d4c57056c |
15 | 29dee80530 |
hex | 17d433cd04 |
102344412420 has 144 divisors (see below), whose sum is σ = 312827074560. Its totient is φ = 27083116800.
The previous prime is 102344412419. The next prime is 102344412439. The reversal of 102344412420 is 24214443201.
102344412420 is a `hidden beast` number, since 1 + 0 + 234 + 4 + 4 + 1 + 2 + 420 = 666.
It is a super-3 number, since 3×1023444124203 (a number of 34 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15089430 + ... + 15096210.
It is an arithmetic number, because the mean of its divisors is an integer number (2172410240).
Almost surely, 2102344412420 is an apocalyptic number.
102344412420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 102344412420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156413537280).
102344412420 is an abundant number, since it is smaller than the sum of its proper divisors (210482662140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102344412420 is a wasteful number, since it uses less digits than its factorization.
102344412420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7426 (or 7421 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 27.
Adding to 102344412420 its reverse (24214443201), we get a palindrome (126558855621).
The spelling of 102344412420 in words is "one hundred two billion, three hundred forty-four million, four hundred twelve thousand, four hundred twenty".
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