Base | Representation |
---|---|
bin | 1000111000010110010… |
… | …10111110100100101011 |
3 | 1002011121001010100222212 |
4 | 10130023022332210223 |
5 | 14444401301331011 |
6 | 352101433035335 |
7 | 31021260046145 |
oct | 4341312764453 |
9 | 1064531110885 |
10 | 305130105131 |
11 | 10844aa98205 |
12 | 4b177555b4b |
13 | 22a09911a87 |
14 | 10aa85cdc95 |
15 | 7e0cc6508b |
hex | 470b2be92b |
305130105131 has 8 divisors (see below), whose sum is σ = 312574232064. Its totient is φ = 297764752320.
The previous prime is 305130105097. The next prime is 305130105157. The reversal of 305130105131 is 131501031503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 305130105131 - 210 = 305130104107 is a prime.
It is a super-2 number, since 2×3051301051312 (a number of 24 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 = 305130105097 and 305130105106.
It is not an unprimeable number, because it can be changed into a prime (305130105191) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19685690 + ... + 19701183.
It is an arithmetic number, because the mean of its divisors is an integer number (39071779008).
Almost surely, 2305130105131 is an apocalyptic number.
305130105131 is a deficient number, since it is larger than the sum of its proper divisors (7444126933).
305130105131 is a wasteful number, since it uses less digits than its factorization.
305130105131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39387061.
The product of its (nonzero) digits is 675, while the sum is 23.
Adding to 305130105131 its reverse (131501031503), we get a palindrome (436631136634).
The spelling of 305130105131 in words is "three hundred five billion, one hundred thirty million, one hundred five thousand, one hundred thirty-one".
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