Base | Representation |
---|---|
bin | 11100010111101000… |
… | …000010111001000011 |
3 | 2220121220000110220100 |
4 | 130113220002321003 |
5 | 444341023112033 |
6 | 21554344013443 |
7 | 2125566312606 |
oct | 342750027103 |
9 | 86556013810 |
10 | 30461144643 |
11 | 11a11581906 |
12 | 5aa1461283 |
13 | 2b45a94657 |
14 | 168d7a833d |
15 | bd4369513 |
hex | 717a02e43 |
30461144643 has 24 divisors (see below), whose sum is σ = 44605124928. Its totient is φ = 20029312512.
The previous prime is 30461144599. The next prime is 30461144683. The reversal of 30461144643 is 34644116403.
30461144643 is a `hidden beast` number, since 3 + 0 + 4 + 6 + 1 + 1 + 4 + 4 + 643 = 666.
It is not a de Polignac number, because 30461144643 - 26 = 30461144579 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30461144598 and 30461144607.
It is not an unprimeable number, because it can be changed into a prime (30461144683) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196246 + ... + 315332.
It is an arithmetic number, because the mean of its divisors is an integer number (1858546872).
Almost surely, 230461144643 is an apocalyptic number.
30461144643 is a deficient number, since it is larger than the sum of its proper divisors (14143980285).
30461144643 is a wasteful number, since it uses less digits than its factorization.
30461144643 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 119483 (or 119480 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 36.
The spelling of 30461144643 in words is "thirty billion, four hundred sixty-one million, one hundred forty-four thousand, six hundred forty-three".
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