Base | Representation |
---|---|
bin | 111001100001011… |
… | …1010000010111101 |
3 | 11222111220100220111 |
4 | 1303002322002331 |
5 | 12423104020020 |
6 | 515305350021 |
7 | 65554635550 |
oct | 16302720275 |
9 | 4874810814 |
10 | 1930141885 |
11 | 900573191 |
12 | 45a498311 |
13 | 249b582b9 |
14 | 1444b2697 |
15 | b46b3d5a |
hex | 730ba0bd |
1930141885 has 32 divisors (see below), whose sum is σ = 2791814400. Its totient is φ = 1251417600.
The previous prime is 1930141879. The next prime is 1930141901. The reversal of 1930141885 is 5881410391.
It is a happy number.
It is not a de Polignac number, because 1930141885 - 211 = 1930139837 is a prime.
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, 375835 + ... + 380935.
It is an arithmetic number, because the mean of its divisors is an integer number (87244200).
Almost surely, 21930141885 is an apocalyptic number.
It is an amenable number.
1930141885 is a deficient number, since it is larger than the sum of its proper divisors (861672515).
1930141885 is a wasteful number, since it uses less digits than its factorization.
1930141885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5701.
The product of its (nonzero) digits is 34560, while the sum is 40.
The square root of 1930141885 is about 43933.3800771122. The cubic root of 1930141885 is about 1245.0775767104.
The spelling of 1930141885 in words is "one billion, nine hundred thirty million, one hundred forty-one thousand, eight hundred eighty-five".
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