Base | Representation |
---|---|
bin | 11100000100100110… |
… | …101001001100110000 |
3 | 2212210122111202200200 |
4 | 130010212221030300 |
5 | 443212323311120 |
6 | 21502543515200 |
7 | 2114642600433 |
oct | 340446511460 |
9 | 85718452620 |
10 | 30142010160 |
11 | 118684193a9 |
12 | 5a125b8b00 |
13 | 2ac4927392 |
14 | 165d25381a |
15 | bb632ae90 |
hex | 7049a9330 |
30142010160 has 60 divisors (see below), whose sum is σ = 101226919872. Its totient is φ = 8037869184.
The previous prime is 30142010159. The next prime is 30142010161. The reversal of 30142010160 is 6101024103.
It is a happy number.
30142010160 is a `hidden beast` number, since 301 + 4 + 201 + 0 + 160 = 666.
It is an interprime number because it is at equal distance from previous prime (30142010159) and next prime (30142010161).
It is a tau number, because it is divible by the number of its divisors (60).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (30142010161) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20931232 + ... + 20932671.
Almost surely, 230142010160 is an apocalyptic number.
30142010160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30142010160 is an abundant number, since it is smaller than the sum of its proper divisors (71084909712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30142010160 is a wasteful number, since it uses less digits than its factorization.
30142010160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41863922 (or 41863913 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 30142010160 its reverse (6101024103), we get a palindrome (36243034263).
The spelling of 30142010160 in words is "thirty billion, one hundred forty-two million, ten thousand, one hundred sixty".
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