Base | Representation |
---|---|
bin | 11100000011000001… |
… | …100110011101111111 |
3 | 2212201210200001100200 |
4 | 130003001212131333 |
5 | 443134033204211 |
6 | 21500200054543 |
7 | 2114201500641 |
oct | 340301463577 |
9 | 85653601320 |
10 | 30115522431 |
11 | 11854477815 |
12 | 5a05764453 |
13 | 2abc2b1c77 |
14 | 165991a891 |
15 | bb3d47b56 |
hex | 70306677f |
30115522431 has 6 divisors (see below), whose sum is σ = 43500199080. Its totient is φ = 20077014948.
The previous prime is 30115522421. The next prime is 30115522447. The reversal of 30115522431 is 13422551103.
It is not a de Polignac number, because 30115522431 - 27 = 30115522303 is a prime.
It is a super-2 number, since 2×301155224312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30115522395 and 30115522404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30115522421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1673084571 + ... + 1673084588.
It is an arithmetic number, because the mean of its divisors is an integer number (7250033180).
Almost surely, 230115522431 is an apocalyptic number.
30115522431 is a deficient number, since it is larger than the sum of its proper divisors (13384676649).
30115522431 is a wasteful number, since it uses less digits than its factorization.
30115522431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3346169165 (or 3346169162 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The spelling of 30115522431 in words is "thirty billion, one hundred fifteen million, five hundred twenty-two thousand, four hundred thirty-one".
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