Base | Representation |
---|---|
bin | 110010011111011000… |
… | …101011110100110100 |
3 | 12011221020120001211000 |
4 | 302133120223310310 |
5 | 1342012143441420 |
6 | 40523322443300 |
7 | 3626315320500 |
oct | 623730536464 |
9 | 164836501730 |
10 | 54213655860 |
11 | 20aa0217071 |
12 | a610063530 |
13 | 515ca1a310 |
14 | 28a41bd300 |
15 | 1624770690 |
hex | c9f62bd34 |
54213655860 has 1152 divisors, whose sum is σ = 228573757440. Its totient is φ = 10534551552.
The previous prime is 54213655829. The next prime is 54213655883. The reversal of 54213655860 is 6855631245.
54213655860 is a `hidden beast` number, since 5 + 4 + 2 + 1 + 3 + 65 + 586 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 426879117 + ... + 426879243.
It is an arithmetic number, because the mean of its divisors is an integer number (198414720).
Almost surely, 254213655860 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 54213655860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114286878720).
54213655860 is an abundant number, since it is smaller than the sum of its proper divisors (174360101580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54213655860 is a wasteful number, since it uses less digits than its factorization.
54213655860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 262 (or 247 counting only the distinct ones).
The product of its (nonzero) digits is 864000, while the sum is 45.
The spelling of 54213655860 in words is "fifty-four billion, two hundred thirteen million, six hundred fifty-five thousand, eight hundred sixty".
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