Base | Representation |
---|---|
bin | 111000000011001… |
… | …0010100110000000 |
3 | 11212001212022120110 |
4 | 1300012102212000 |
5 | 12322424302331 |
6 | 510341511320 |
7 | 64414443156 |
oct | 16006224600 |
9 | 4761768513 |
10 | 1880697216 |
11 | 885671722 |
12 | 445a12540 |
13 | 23c8358b8 |
14 | 13bac13d6 |
15 | b0198946 |
hex | 70192980 |
1880697216 has 256 divisors, whose sum is σ = 5684256000. Its totient is φ = 547356672.
The previous prime is 1880697211. The next prime is 1880697239. The reversal of 1880697216 is 6127960881.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1880697211) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7317760 + ... + 7318016.
It is an arithmetic number, because the mean of its divisors is an integer number (22204125).
Almost surely, 21880697216 is an apocalyptic number.
1880697216 is a gapful number since it is divisible by the number (16) 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 1880697216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2842128000).
1880697216 is an abundant number, since it is smaller than the sum of its proper divisors (3803558784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1880697216 is a wasteful number, since it uses less digits than its factorization.
1880697216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 369 (or 357 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 48.
The square root of 1880697216 is about 43367.0060760482. The cubic root of 1880697216 is about 1234.3537114705.
The spelling of 1880697216 in words is "one billion, eight hundred eighty million, six hundred ninety-seven thousand, two hundred sixteen".
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