Base | Representation |
---|---|
bin | 110011001010111110… |
… | …100010110101101100 |
3 | 12020211012201020111002 |
4 | 303022332202311230 |
5 | 1400011410011222 |
6 | 41124050015432 |
7 | 3653405541512 |
oct | 631276426554 |
9 | 166735636432 |
10 | 54945000812 |
11 | 21336025389 |
12 | a794b77578 |
13 | 52483b2900 |
14 | 29333964b2 |
15 | 1668a85392 |
hex | ccafa2d6c |
54945000812 has 72 divisors (see below), whose sum is σ = 111102359760. Its totient is φ = 23695027200.
The previous prime is 54945000791. The next prime is 54945000823. The reversal of 54945000812 is 21800054945.
It is a super-2 number, since 2×549450008122 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 908312 + ... + 966912.
It is an arithmetic number, because the mean of its divisors is an integer number (1543088330).
Almost surely, 254945000812 is an apocalyptic number.
54945000812 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is a pronic number, being equal to 234403×234404.
It is an amenable number.
54945000812 is an abundant number, since it is smaller than the sum of its proper divisors (56157358948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54945000812 is a wasteful number, since it uses less digits than its factorization.
54945000812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58723 (or 58708 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 38.
The spelling of 54945000812 in words is "fifty-four billion, nine hundred forty-five million, eight hundred twelve", and thus it is an aban number.
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