Base | Representation |
---|---|
bin | 11011111111001001… |
… | …110110110010010101 |
3 | 2212120021110111201222 |
4 | 123333021312302111 |
5 | 443020421440212 |
6 | 21445520100125 |
7 | 2112452460200 |
oct | 337711666225 |
9 | 85507414658 |
10 | 30050577557 |
11 | 11820849770 |
12 | 59a7a64645 |
13 | 2aab9c3350 |
14 | 1651052937 |
15 | bad2b9c72 |
hex | 6ff276c95 |
30050577557 has 48 divisors (see below), whose sum is σ = 41764766400. Its totient is φ = 21248156160.
The previous prime is 30050577553. The next prime is 30050577569. The reversal of 30050577557 is 75577505003.
It is not a de Polignac number, because 30050577557 - 22 = 30050577553 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30050577553) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 377069 + ... + 449757.
It is an arithmetic number, because the mean of its divisors is an integer number (870099300).
Almost surely, 230050577557 is an apocalyptic number.
It is an amenable number.
30050577557 is a deficient number, since it is larger than the sum of its proper divisors (11714188843).
30050577557 is a wasteful number, since it uses less digits than its factorization.
30050577557 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72786 (or 72779 counting only the distinct ones).
The product of its (nonzero) digits is 643125, while the sum is 44.
The spelling of 30050577557 in words is "thirty billion, fifty million, five hundred seventy-seven thousand, five hundred fifty-seven".
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