Base | Representation |
---|---|
bin | 11001011000101011010… |
… | …11010101100000000000 |
3 | 10002101102001021202111102 |
4 | 30230111223111200000 |
5 | 103242322430333010 |
6 | 1504411422033532 |
7 | 120005654014565 |
oct | 14542553254000 |
9 | 3071361252442 |
10 | 872242042880 |
11 | 306a0899186a |
12 | 1210681188a8 |
13 | 64337a56000 |
14 | 30306a4086c |
15 | 17a50676ba5 |
hex | cb15ad5800 |
872242042880 has 384 divisors, whose sum is σ = 2291814907200. Its totient is φ = 318578098176.
The previous prime is 872242042877. The next prime is 872242042913. The reversal of 872242042880 is 88240242278.
It is a congruent number.
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, 3082127219 + ... + 3082127501.
Almost surely, 2872242042880 is an apocalyptic number.
872242042880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 872242042880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1145907453600).
872242042880 is an abundant number, since it is smaller than the sum of its proper divisors (1419572864320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
872242042880 is a wasteful number, since it uses less digits than its factorization.
872242042880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 486 (or 440 counting only the distinct ones).
The product of its (nonzero) digits is 917504, while the sum is 47.
The spelling of 872242042880 in words is "eight hundred seventy-two billion, two hundred forty-two million, forty-two thousand, eight hundred eighty".
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