Base | Representation |
---|---|
bin | 1101101100000101100101… |
… | …10101010100001101010111 |
3 | 10221120201212021102210011212 |
4 | 12312002302311110031113 |
5 | 12421143131032144343 |
6 | 144004421135452035 |
7 | 6224543604601244 |
oct | 666026265241527 |
9 | 127521767383155 |
10 | 30102131131223 |
11 | 9656273298628 |
12 | 3461bb298701b |
13 | 13a4807619688 |
14 | 760d4547c5cb |
15 | 37305b179c18 |
hex | 1b60b2d54357 |
30102131131223 has 16 divisors (see below), whose sum is σ = 31729310208000. Its totient is φ = 28479257703072.
The previous prime is 30102131131169. The next prime is 30102131131231. The reversal of 30102131131223 is 32213113120103.
It is a cyclic number.
It is not a de Polignac number, because 30102131131223 - 234 = 30084951262039 is a prime.
It is a super-2 number, since 2×301021311312232 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30102131101223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54260918 + ... + 54812876.
It is an arithmetic number, because the mean of its divisors is an integer number (1983081888000).
Almost surely, 230102131131223 is an apocalyptic number.
30102131131223 is a deficient number, since it is larger than the sum of its proper divisors (1627179076777).
30102131131223 is a wasteful number, since it uses less digits than its factorization.
30102131131223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 555854.
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 30102131131223 its reverse (32213113120103), we get a palindrome (62315244251326).
The spelling of 30102131131223 in words is "thirty trillion, one hundred two billion, one hundred thirty-one million, one hundred thirty-one thousand, two hundred twenty-three".
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