Base | Representation |
---|---|
bin | 11100001000101011… |
… | …100100111001100011 |
3 | 2212222102012221120000 |
4 | 130020223210321203 |
5 | 443332331142011 |
6 | 21513425551043 |
7 | 2116433160204 |
oct | 341053447143 |
9 | 85872187500 |
10 | 30210412131 |
11 | 118a2a98859 |
12 | 5a314a5483 |
13 | 2b05b56713 |
14 | 166837b5ab |
15 | bbc33d356 |
hex | 708ae4e63 |
30210412131 has 20 divisors (see below), whose sum is σ = 45161979984. Its totient is φ = 20125616400.
The previous prime is 30210412073. The next prime is 30210412153. The reversal of 30210412131 is 13121401203.
30210412131 is a `hidden beast` number, since 30 + 210 + 412 + 13 + 1 = 666.
It is not a de Polignac number, because 30210412131 - 29 = 30210411619 is a prime.
It is a super-2 number, since 2×302104121312 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30210413131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23175 + ... + 246896.
Almost surely, 230210412131 is an apocalyptic number.
30210412131 is a deficient number, since it is larger than the sum of its proper divisors (14951567853).
30210412131 is a wasteful number, since it uses less digits than its factorization.
30210412131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 271464 (or 271455 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 30210412131 its reverse (13121401203), we get a palindrome (43331813334).
The spelling of 30210412131 in words is "thirty billion, two hundred ten million, four hundred twelve thousand, one hundred thirty-one".
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