Base | Representation |
---|---|
bin | 1101101100000101110000… |
… | …01001000110000010010011 |
3 | 10221120202002111001001111101 |
4 | 12312002320021012002103 |
5 | 12421143321332432011 |
6 | 144004434040525231 |
7 | 6224546035644220 |
oct | 666027011060223 |
9 | 127522074031441 |
10 | 30102220202131 |
11 | 96563095a4950 |
12 | 3462018780817 |
13 | 13a481cc0475c |
14 | 760d53226947 |
15 | 373063dc12c1 |
hex | 1b60b8246093 |
30102220202131 has 16 divisors (see below), whose sum is σ = 37707908283648. Its totient is φ = 23345108287200.
The previous prime is 30102220202081. The next prime is 30102220202141. The reversal of 30102220202131 is 13120202220103.
It is not a de Polignac number, because 30102220202131 - 223 = 30102211813523 is a prime.
It is a super-2 number, since 2×301022202021312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30102220202099 and 30102220202108.
It is not an unprimeable number, because it can be changed into a prime (30102220202141) 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, 926376940 + ... + 926409433.
It is an arithmetic number, because the mean of its divisors is an integer number (2356744267728).
Almost surely, 230102220202131 is an apocalyptic number.
30102220202131 is a deficient number, since it is larger than the sum of its proper divisors (7605688081517).
30102220202131 is a wasteful number, since it uses less digits than its factorization.
30102220202131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1852786602.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 30102220202131 its reverse (13120202220103), we get a palindrome (43222422422234).
The spelling of 30102220202131 in words is "thirty trillion, one hundred two billion, two hundred twenty million, two hundred two thousand, one hundred thirty-one".
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