Base | Representation |
---|---|
bin | 101001000100101100… |
… | …010001111000010100 |
3 | 11012211112221101122102 |
4 | 221010230101320110 |
5 | 1210310121144340 |
6 | 32132113421232 |
7 | 3120614634020 |
oct | 510454217024 |
9 | 135745841572 |
10 | 44102131220 |
11 | 17781559a34 |
12 | 866986a818 |
13 | 420abb2844 |
14 | 21c5309380 |
15 | 1231bd3215 |
hex | a44b11e14 |
44102131220 has 48 divisors (see below), whose sum is σ = 105940248960. Its totient is φ = 15107140224.
The previous prime is 44102131207. The next prime is 44102131261. The reversal of 44102131220 is 2213120144.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 44102131192 and 44102131201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15371 + ... + 297389.
It is an arithmetic number, because the mean of its divisors is an integer number (2207088520).
Almost surely, 244102131220 is an apocalyptic number.
It is an amenable number.
44102131220 is an abundant number, since it is smaller than the sum of its proper divisors (61838117740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
44102131220 is a wasteful number, since it uses less digits than its factorization.
44102131220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 283152 (or 283150 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 44102131220 its reverse (2213120144), we get a palindrome (46315251364).
The spelling of 44102131220 in words is "forty-four billion, one hundred two million, one hundred thirty-one thousand, two hundred twenty".
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