Base | Representation |
---|---|
bin | 11100000010001110… |
… | …100001000100111000 |
3 | 2212200212110200202202 |
4 | 130002032201010320 |
5 | 443122121143000 |
6 | 21455001045332 |
7 | 2113646614604 |
oct | 340216410470 |
9 | 85625420682 |
10 | 30102131000 |
11 | 11847960617 |
12 | 5a01186848 |
13 | 2ab95a3846 |
14 | 1657c32504 |
15 | bb2a9edd5 |
hex | 7023a1138 |
30102131000 has 32 divisors (see below), whose sum is σ = 70438988880. Its totient is φ = 12040852000.
The previous prime is 30102130987. The next prime is 30102131009. The reversal of 30102131000 is 13120103.
It is a super-2 number, since 2×301021310002 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30102131009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15050066 + ... + 15052065.
Almost surely, 230102131000 is an apocalyptic number.
It is an amenable number.
30102131000 is an abundant number, since it is smaller than the sum of its proper divisors (40336857880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30102131000 is a wasteful number, since it uses less digits than its factorization.
30102131000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30102152 (or 30102138 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 11.
Adding to 30102131000 its reverse (13120103), we get a palindrome (30115251103).
The spelling of 30102131000 in words is "thirty billion, one hundred two million, one hundred thirty-one thousand".
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