Base | Representation |
---|---|
bin | 11100000100000001… |
… | …010101110011110101 |
3 | 2212202222002221202212 |
4 | 130010001111303311 |
5 | 443202322401123 |
6 | 21501554143205 |
7 | 2114463512114 |
oct | 340401256365 |
9 | 85688087685 |
10 | 30132231413 |
11 | 1186294a499 |
12 | 5a0b281b05 |
13 | 2ac28b243b |
14 | 165bc29c7b |
15 | bb5548878 |
hex | 704055cf5 |
30132231413 has 2 divisors, whose sum is σ = 30132231414. Its totient is φ = 30132231412.
The previous prime is 30132231407. The next prime is 30132231449. The reversal of 30132231413 is 31413223103.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 28383151729 + 1749079684 = 168473^2 + 41822^2 .
It is a cyclic number.
It is not a de Polignac number, because 30132231413 - 228 = 29863795957 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30132231403) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15066115706 + 15066115707.
It is an arithmetic number, because the mean of its divisors is an integer number (15066115707).
Almost surely, 230132231413 is an apocalyptic number.
It is an amenable number.
30132231413 is a deficient number, since it is larger than the sum of its proper divisors (1).
30132231413 is an equidigital number, since it uses as much as digits as its factorization.
30132231413 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 30132231413 its reverse (31413223103), we get a palindrome (61545454516).
The spelling of 30132231413 in words is "thirty billion, one hundred thirty-two million, two hundred thirty-one thousand, four hundred thirteen".
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