Base | Representation |
---|---|
bin | 1110011010101011… |
… | …1011000111111010 |
3 | 100222201002222022000 |
4 | 3212222323013322 |
5 | 30411210340043 |
6 | 1440003441430 |
7 | 164621362344 |
oct | 34652730772 |
9 | 10881088260 |
10 | 3870011898 |
11 | 1706580245 |
12 | 900086276 |
13 | 498a0b48c |
14 | 289d98294 |
15 | 179b4a2d3 |
hex | e6abb1fa |
3870011898 has 64 divisors (see below), whose sum is σ = 8889609600. Its totient is φ = 1247287680.
The previous prime is 3870011897. The next prime is 3870011917. The reversal of 3870011898 is 8981100783.
It is not an unprimeable number, because it can be changed into a prime (3870011897) 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, 184390 + ... + 204302.
It is an arithmetic number, because the mean of its divisors is an integer number (138900150).
Almost surely, 23870011898 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3870011898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4444804800).
3870011898 is an abundant number, since it is smaller than the sum of its proper divisors (5019597702).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3870011898 is a wasteful number, since it uses less digits than its factorization.
3870011898 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20044 (or 20038 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 45.
The square root of 3870011898 is about 62209.4196886613. The cubic root of 3870011898 is about 1570.0160786485.
The spelling of 3870011898 in words is "three billion, eight hundred seventy million, eleven thousand, eight hundred ninety-eight".
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