Base | Representation |
---|---|
bin | 110000011101011101101101… |
… | …110010111111010011001110 |
3 | 1000221122010101010200002221200 |
4 | 300131131231302333103032 |
5 | 210413414244034244210 |
6 | 2033143010501010330 |
7 | 62615130653450463 |
oct | 6035355562772316 |
9 | 1027563333602850 |
10 | 213131004212430 |
11 | 61a013956228a7 |
12 | 1baa22720b39a6 |
13 | 91c0223ba2455 |
14 | 3a8b84a63b66a |
15 | 199905e7ee0c0 |
hex | c1d76dcbf4ce |
213131004212430 has 24 divisors (see below), whose sum is σ = 554140610952552. Its totient is φ = 56834934456624.
The previous prime is 213131004212411. The next prime is 213131004212437. The reversal of 213131004212430 is 34212400131312.
213131004212430 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 3 + 10 + 0 + 4 + 212 + 430 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 213131004212394 and 213131004212403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213131004212437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1184061134424 + ... + 1184061134603.
It is an arithmetic number, because the mean of its divisors is an integer number (23089192123023).
Almost surely, 2213131004212430 is an apocalyptic number.
213131004212430 is an abundant number, since it is smaller than the sum of its proper divisors (341009606740122).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213131004212430 is a wasteful number, since it uses less digits than its factorization.
213131004212430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2368122269040 (or 2368122269037 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
Adding to 213131004212430 its reverse (34212400131312), we get a palindrome (247343404343742).
The spelling of 213131004212430 in words is "two hundred thirteen trillion, one hundred thirty-one billion, four million, two hundred twelve thousand, four hundred thirty".
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