Base | Representation |
---|---|
bin | 11100011110010010… |
… | …110100010001110101 |
3 | 2220220200112100102100 |
4 | 130132102310101311 |
5 | 1000103143122102 |
6 | 22013421532313 |
7 | 2131425245622 |
oct | 343622642165 |
9 | 86820470370 |
10 | 30573020277 |
11 | 11a69744708 |
12 | 5b12a14099 |
13 | 2b63005657 |
14 | 16a05ab349 |
15 | bde0b7a1c |
hex | 71e4b4475 |
30573020277 has 12 divisors (see below), whose sum is σ = 44164418220. Its totient is φ = 20380449408.
The previous prime is 30573020263. The next prime is 30573020287. The reversal of 30573020277 is 77202037503.
30573020277 is a `hidden beast` number, since 30 + 57 + 302 + 0 + 277 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 5561281476 + 25011738801 = 74574^2 + 158151^2 .
It is not a de Polignac number, because 30573020277 - 212 = 30573016181 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30573020237) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 349 + ... + 247277.
It is an arithmetic number, because the mean of its divisors is an integer number (3680368185).
Almost surely, 230573020277 is an apocalyptic number.
It is an amenable number.
30573020277 is a deficient number, since it is larger than the sum of its proper divisors (13591397943).
30573020277 is a wasteful number, since it uses less digits than its factorization.
30573020277 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 260692 (or 260689 counting only the distinct ones).
The product of its (nonzero) digits is 61740, while the sum is 36.
The spelling of 30573020277 in words is "thirty billion, five hundred seventy-three million, twenty thousand, two hundred seventy-seven".
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