Base | Representation |
---|---|
bin | 101001000011011110… |
… | …111111011001000111 |
3 | 11012210010211001000221 |
4 | 221003132333121013 |
5 | 1210234424323112 |
6 | 32130111245211 |
7 | 3120250500421 |
oct | 510336773107 |
9 | 135703731027 |
10 | 44081870407 |
11 | 17771080763 |
12 | 8662b19807 |
13 | 420693a7b3 |
14 | 21c2753811 |
15 | 123002ee07 |
hex | a437bf647 |
44081870407 has 4 divisors (see below), whose sum is σ = 44083166256. Its totient is φ = 44080574560.
The previous prime is 44081870401. The next prime is 44081870423. The reversal of 44081870407 is 70407818044.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-44081870407 is a prime.
It is a super-2 number, since 2×440818704072 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (44081870401) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595483 + ... + 665404.
It is an arithmetic number, because the mean of its divisors is an integer number (11020791564).
Almost surely, 244081870407 is an apocalyptic number.
44081870407 is a deficient number, since it is larger than the sum of its proper divisors (1295849).
44081870407 is a wasteful number, since it uses less digits than its factorization.
44081870407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1295848.
The product of its (nonzero) digits is 200704, while the sum is 43.
It can be divided in two parts, 440818 and 70407, that added together give a square (511225 = 7152).
The spelling of 44081870407 in words is "forty-four billion, eighty-one million, eight hundred seventy thousand, four hundred seven".
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