Base | Representation |
---|---|
bin | 11001101001101111111… |
… | …00100100110101000010 |
3 | 10010021001202121212012200 |
4 | 30310313330210311002 |
5 | 103420110133001200 |
6 | 1512525053134030 |
7 | 120452041136124 |
oct | 14646774446502 |
9 | 3107052555180 |
10 | 881406922050 |
11 | 30a891258176 |
12 | 1229a548a316 |
13 | 65168714835 |
14 | 30935cd5214 |
15 | 17dda071800 |
hex | cd37f24d42 |
881406922050 has 54 divisors (see below), whose sum is σ = 2368100105163. Its totient is φ = 235036535040.
The previous prime is 881406922021. The next prime is 881406922091. The reversal of 881406922050 is 50229604188.
It can be written as a sum of positive squares in 5 ways, for example, as 765815761881 + 115591160169 = 875109^2 + 339987^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=663855.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 881406921987 and 881406922005.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19893522 + ... + 19937778.
Almost surely, 2881406922050 is an apocalyptic number.
881406922050 is an abundant number, since it is smaller than the sum of its proper divisors (1486693183113).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
881406922050 is an frugal number, since it uses more digits than its factorization.
881406922050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88532 (or 44267 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 45.
The spelling of 881406922050 in words is "eight hundred eighty-one billion, four hundred six million, nine hundred twenty-two thousand, fifty".
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