Base | Representation |
---|---|
bin | 11100011110001111… |
… | …001000110010011100 |
3 | 2220220121201100021120 |
4 | 130132033020302130 |
5 | 1000102421240313 |
6 | 22013345130540 |
7 | 2131414120515 |
oct | 343617106234 |
9 | 86817640246 |
10 | 30572055708 |
11 | 11a69145a47 |
12 | 5b12629a50 |
13 | 2b62a585bc |
14 | 16a03d9a0c |
15 | bdde76d23 |
hex | 71e3c8c9c |
30572055708 has 24 divisors (see below), whose sum is σ = 71339987712. Its totient is φ = 10189943664.
The previous prime is 30572055707. The next prime is 30572055781. The reversal of 30572055708 is 80755027503.
It is a self number, because there is not a number n which added to its sum of digits gives 30572055708.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30572055707) 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, 94141 + ... + 264587.
It is an arithmetic number, because the mean of its divisors is an integer number (2972499488).
Almost surely, 230572055708 is an apocalyptic number.
It is an amenable number.
30572055708 is an abundant number, since it is smaller than the sum of its proper divisors (40767932004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30572055708 is a wasteful number, since it uses less digits than its factorization.
30572055708 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 185401 (or 185399 counting only the distinct ones).
The product of its (nonzero) digits is 294000, while the sum is 42.
The spelling of 30572055708 in words is "thirty billion, five hundred seventy-two million, fifty-five thousand, seven hundred eight".
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