Base | Representation |
---|---|
bin | 11100000010001110… |
… | …100001000100111110 |
3 | 2212200212110200202222 |
4 | 130002032201010332 |
5 | 443122121143011 |
6 | 21455001045342 |
7 | 2113646614613 |
oct | 340216410476 |
9 | 85625420688 |
10 | 30102131006 |
11 | 11847960622 |
12 | 5a01186852 |
13 | 2ab95a384c |
14 | 1657c3250a |
15 | bb2a9eddb |
hex | 7023a113e |
30102131006 has 4 divisors (see below), whose sum is σ = 45153196512. Its totient is φ = 15051065502.
The previous prime is 30102130987. The next prime is 30102131009. The reversal of 30102131006 is 60013120103.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60013120103 = 37 ⋅1621976219.
It is a super-2 number, since 2×301021310062 (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 polite number, since it can be written as a sum of consecutive naturals, namely, 7525532750 + ... + 7525532753.
It is an arithmetic number, because the mean of its divisors is an integer number (11288299128).
Almost surely, 230102131006 is an apocalyptic number.
30102131006 is a deficient number, since it is larger than the sum of its proper divisors (15051065506).
30102131006 is a wasteful number, since it uses less digits than its factorization.
30102131006 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15051065505.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 30102131006 its reverse (60013120103), we get a palindrome (90115251109).
The spelling of 30102131006 in words is "thirty billion, one hundred two million, one hundred thirty-one thousand, six".
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