Base | Representation |
---|---|
bin | 11100000010001110… |
… | …100000110110110101 |
3 | 2212200212110122112110 |
4 | 130002032200312311 |
5 | 443122121130401 |
6 | 21455001041233 |
7 | 2113646612151 |
oct | 340216406665 |
9 | 85625418473 |
10 | 30102130101 |
11 | 1184795a97a |
12 | 5a01186219 |
13 | 2ab95a3304 |
14 | 1657c32061 |
15 | bb2a9e9d6 |
hex | 7023a0db5 |
30102130101 has 16 divisors (see below), whose sum is σ = 40214818944. Its totient is φ = 20028800064.
The previous prime is 30102130099. The next prime is 30102130111. The reversal of 30102130101 is 10103120103.
It is not a de Polignac number, because 30102130101 - 21 = 30102130099 is a prime.
It is a super-2 number, since 2×301021301012 (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 (30102130111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4983255 + ... + 4989291.
It is an arithmetic number, because the mean of its divisors is an integer number (2513426184).
Almost surely, 230102130101 is an apocalyptic number.
It is an amenable number.
30102130101 is a deficient number, since it is larger than the sum of its proper divisors (10112688843).
30102130101 is a wasteful number, since it uses less digits than its factorization.
30102130101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9020.
The product of its (nonzero) digits is 18, while the sum is 12.
Adding to 30102130101 its reverse (10103120103), we get a palindrome (40205250204).
The spelling of 30102130101 in words is "thirty billion, one hundred two million, one hundred thirty thousand, one hundred one".
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