Base | Representation |
---|---|
bin | 111001100001… |
… | …0010101011111 |
3 | 2002202002102121 |
4 | 1303002111133 |
5 | 30204444002 |
6 | 2554203411 |
7 | 514215511 |
oct | 163022537 |
9 | 62662377 |
10 | 30156127 |
11 | 16027821 |
12 | a123567 |
13 | 632b081 |
14 | 400dbb1 |
15 | 29aa237 |
hex | 1cc255f |
30156127 has 2 divisors, whose sum is σ = 30156128. Its totient is φ = 30156126.
The previous prime is 30156103. The next prime is 30156157. The reversal of 30156127 is 72165103.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30156127 - 211 = 30154079 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30156157) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15078063 + 15078064.
It is an arithmetic number, because the mean of its divisors is an integer number (15078064).
Almost surely, 230156127 is an apocalyptic number.
30156127 is a deficient number, since it is larger than the sum of its proper divisors (1).
30156127 is an equidigital number, since it uses as much as digits as its factorization.
30156127 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1260, while the sum is 25.
The square root of 30156127 is about 5491.4594599250. The cubic root of 30156127 is about 311.2613436509.
The spelling of 30156127 in words is "thirty million, one hundred fifty-six thousand, one hundred twenty-seven".
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