Base | Representation |
---|---|
bin | 101000111111110110… |
… | …101101111011101000 |
3 | 11012121220020120010111 |
4 | 220333312231323220 |
5 | 1210123332401410 |
6 | 32120054224104 |
7 | 3115611111610 |
oct | 507766557350 |
9 | 135556216114 |
10 | 44020981480 |
11 | 1773a772a33 |
12 | 8646655034 |
13 | 41c713c048 |
14 | 21b8623a40 |
15 | 1229a03b8a |
hex | a3fdadee8 |
44020981480 has 32 divisors (see below), whose sum is σ = 113196810240. Its totient is φ = 15092907840.
The previous prime is 44020981451. The next prime is 44020981481. The reversal of 44020981480 is 8418902044.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is not an unprimeable number, because it can be changed into a prime (44020981481) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78608616 + ... + 78609175.
It is an arithmetic number, because the mean of its divisors is an integer number (3537400320).
Almost surely, 244020981480 is an apocalyptic number.
44020981480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
44020981480 is an abundant number, since it is smaller than the sum of its proper divisors (69175828760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
44020981480 is a wasteful number, since it uses less digits than its factorization.
44020981480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157217809 (or 157217805 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 40.
The spelling of 44020981480 in words is "forty-four billion, twenty million, nine hundred eighty-one thousand, four hundred eighty".
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