Base | Representation |
---|---|
bin | 110011010101101101… |
… | …010001000010100000 |
3 | 12021021202110012112020 |
4 | 303111231101002200 |
5 | 1400344001131312 |
6 | 41154000301440 |
7 | 3661022642310 |
oct | 632555210240 |
9 | 167252405466 |
10 | 55125020832 |
11 | 21418701062 |
12 | a825311880 |
13 | 527679292b |
14 | 294d257440 |
15 | 167979478c |
hex | cd5b510a0 |
55125020832 has 96 divisors (see below), whose sum is σ = 165990384000. Its totient is φ = 15691404288.
The previous prime is 55125020827. The next prime is 55125020837. The reversal of 55125020832 is 23802052155.
It is an interprime number because it is at equal distance from previous prime (55125020827) and next prime (55125020837).
It is a tau number, because it is divible by the number of its divisors (96).
It is a junction number, because it is equal to n+sod(n) for n = 55125020793 and 55125020802.
It is not an unprimeable number, because it can be changed into a prime (55125020837) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28294 + ... + 333242.
It is an arithmetic number, because the mean of its divisors is an integer number (1729066500).
Almost surely, 255125020832 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 55125020832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82995192000).
55125020832 is an abundant number, since it is smaller than the sum of its proper divisors (110865363168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55125020832 is a wasteful number, since it uses less digits than its factorization.
55125020832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 305238 (or 305230 counting only the distinct ones).
The product of its (nonzero) digits is 24000, while the sum is 33.
Adding to 55125020832 its reverse (23802052155), we get a palindrome (78927072987).
The spelling of 55125020832 in words is "fifty-five billion, one hundred twenty-five million, twenty thousand, eight hundred thirty-two".
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