Base | Representation |
---|---|
bin | 1100111011000110001… |
… | …10010001011101010000 |
3 | 1120110011012112120201010 |
4 | 12131203012101131100 |
5 | 24233400310021430 |
6 | 535554024410520 |
7 | 44036554411245 |
oct | 6354306213520 |
9 | 1513135476633 |
10 | 444044220240 |
11 | 161355427a15 |
12 | 72085616a40 |
13 | 32b47525a1a |
14 | 176c59155cc |
15 | b83d48ccb0 |
hex | 6763191750 |
444044220240 has 40 divisors (see below), whose sum is σ = 1376537083488. Its totient is φ = 118411792000.
The previous prime is 444044220167. The next prime is 444044220259. The reversal of 444044220240 is 42022440444.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 444044220198 and 444044220207.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925091886 + ... + 925092365.
Almost surely, 2444044220240 is an apocalyptic number.
444044220240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
444044220240 is an abundant number, since it is smaller than the sum of its proper divisors (932492863248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
444044220240 is a wasteful number, since it uses less digits than its factorization.
444044220240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1850184267 (or 1850184261 counting only the distinct ones).
The product of its (nonzero) digits is 32768, while the sum is 30.
Adding to 444044220240 its reverse (42022440444), we get a palindrome (486066660684).
The spelling of 444044220240 in words is "four hundred forty-four billion, forty-four million, two hundred twenty thousand, two hundred forty".
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