Base | Representation |
---|---|
bin | 110011001000010110… |
… | …000000000000000000 |
3 | 12020201010120111221200 |
4 | 303020112000000000 |
5 | 1344414102133140 |
6 | 41115431021200 |
7 | 3652331152434 |
oct | 631026000000 |
9 | 166633514850 |
10 | 54900817920 |
11 | 213130980a3 |
12 | a78220a800 |
13 | 523c1b31a0 |
14 | 292b5749c4 |
15 | 1664c59030 |
hex | cc8580000 |
54900817920 has 480 divisors, whose sum is σ = 206107902000. Its totient is φ = 13438550016.
The previous prime is 54900817843. The next prime is 54900817957. The reversal of 54900817920 is 2971800945.
54900817920 is a `hidden beast` number, since 549 + 0 + 0 + 8 + 17 + 92 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (480).
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 23 ways as a sum of consecutive naturals, for example, 306708391 + ... + 306708569.
Almost surely, 254900817920 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 54900817920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103053951000).
54900817920 is an abundant number, since it is smaller than the sum of its proper divisors (151207084080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54900817920 is an equidigital number, since it uses as much as digits as its factorization.
54900817920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 241 (or 202 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 45.
The spelling of 54900817920 in words is "fifty-four billion, nine hundred million, eight hundred seventeen thousand, nine hundred twenty".
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