Base | Representation |
---|---|
bin | 110010111011110000… |
… | …110111110101001100 |
3 | 12020011102102120220121 |
4 | 302323300313311030 |
5 | 1344001034233130 |
6 | 41042451154324 |
7 | 3644156164114 |
oct | 627360676514 |
9 | 166142376817 |
10 | 54689758540 |
11 | 21214a4105a |
12 | a7235a59a4 |
13 | 5207556091 |
14 | 290b514044 |
15 | 1651467d7a |
hex | cbbc37d4c |
54689758540 has 96 divisors (see below), whose sum is σ = 124644925440. Its totient is φ = 20079811584.
The previous prime is 54689758511. The next prime is 54689758553. The reversal of 54689758540 is 4585798645.
It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2536887 + ... + 2558353.
It is an arithmetic number, because the mean of its divisors is an integer number (1298384640).
Almost surely, 254689758540 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54689758540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62322462720).
54689758540 is an abundant number, since it is smaller than the sum of its proper divisors (69955166900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54689758540 is a wasteful number, since it uses less digits than its factorization.
54689758540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21679 (or 21677 counting only the distinct ones).
The product of its (nonzero) digits is 48384000, while the sum is 61.
The spelling of 54689758540 in words is "fifty-four billion, six hundred eighty-nine million, seven hundred fifty-eight thousand, five hundred forty".
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