Base | Representation |
---|---|
bin | 1101110111111011001000… |
… | …01110111110110000000011 |
3 | 11000000121122010022001120201 |
4 | 12323331210032332300003 |
5 | 12444324043043232011 |
6 | 144515322013150031 |
7 | 6266122233125332 |
oct | 673754416766003 |
9 | 130017563261521 |
10 | 30508834352131 |
11 | 97a27a66a0013 |
12 | 3508996a8b317 |
13 | 1403c8091cc05 |
14 | 7768c79c5d19 |
15 | 37d9112b7cc1 |
hex | 1bbf643bec03 |
30508834352131 has 4 divisors (see below), whose sum is σ = 30510231234664. Its totient is φ = 30507437469600.
The previous prime is 30508834352099. The next prime is 30508834352149. The reversal of 30508834352131 is 13125343880503.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30508834352131 - 25 = 30508834352099 is a prime.
It is a super-2 number, since 2×305088343521312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30508834352431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698408505 + ... + 698452186.
It is an arithmetic number, because the mean of its divisors is an integer number (7627557808666).
Almost surely, 230508834352131 is an apocalyptic number.
30508834352131 is a deficient number, since it is larger than the sum of its proper divisors (1396882533).
30508834352131 is a wasteful number, since it uses less digits than its factorization.
30508834352131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1396882532.
The product of its (nonzero) digits is 1036800, while the sum is 46.
The spelling of 30508834352131 in words is "thirty trillion, five hundred eight billion, eight hundred thirty-four million, three hundred fifty-two thousand, one hundred thirty-one".
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