Base | Representation |
---|---|
bin | 10010110111101110… |
… | …01100011010111100 |
3 | 222011001111201201200 |
4 | 21123313030122330 |
5 | 131222032130134 |
6 | 4353145135500 |
7 | 506026120200 |
oct | 113367143274 |
9 | 28131451650 |
10 | 10131130044 |
11 | 4329838a52 |
12 | 1b68a8a590 |
13 | c55c10409 |
14 | 6c1738b00 |
15 | 3e4661499 |
hex | 25bdcc6bc |
10131130044 has 108 divisors (see below), whose sum is σ = 29915213328. Its totient is φ = 2882476800.
The previous prime is 10131130027. The next prime is 10131130063. The reversal of 10131130044 is 44003113101.
10131130044 is a `hidden beast` number, since 10 + 1 + 311 + 300 + 44 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 10131129999 and 10131130026.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 413209 + ... + 437039.
It is an arithmetic number, because the mean of its divisors is an integer number (276992716).
Almost surely, 210131130044 is an apocalyptic number.
10131130044 is a gapful number since it is divisible by the number (14) 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 10131130044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14957606664).
10131130044 is an abundant number, since it is smaller than the sum of its proper divisors (19784083284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10131130044 is a wasteful number, since it uses less digits than its factorization.
10131130044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24096 (or 24084 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 10131130044 its reverse (44003113101), we get a palindrome (54134243145).
The spelling of 10131130044 in words is "ten billion, one hundred thirty-one million, one hundred thirty thousand, forty-four".
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