Base | Representation |
---|---|
bin | 11100001011011001… |
… | …101111011101010010 |
3 | 2220002121010112020012 |
4 | 130023121233131102 |
5 | 443431023142214 |
6 | 21522140314522 |
7 | 2120526224024 |
oct | 341331573522 |
9 | 86077115205 |
10 | 30256068434 |
11 | 11916842039 |
12 | 5a44842a42 |
13 | 2b12450997 |
14 | 1670464014 |
15 | bc135b03e |
hex | 70b66f752 |
30256068434 has 16 divisors (see below), whose sum is σ = 46239090840. Its totient is φ = 14845689600.
The previous prime is 30256068433. The next prime is 30256068467. The reversal of 30256068434 is 43486065203.
It can be written as a sum of positive squares in 4 ways, for example, as 27192999409 + 3063069025 = 164903^2 + 55345^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30256068391 and 30256068400.
It is not an unprimeable number, because it can be changed into a prime (30256068433) 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, 639929 + ... + 685580.
Almost surely, 230256068434 is an apocalyptic number.
30256068434 is a deficient number, since it is larger than the sum of its proper divisors (15983022406).
30256068434 is a wasteful number, since it uses less digits than its factorization.
30256068434 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1325725.
The product of its (nonzero) digits is 414720, while the sum is 41.
The spelling of 30256068434 in words is "thirty billion, two hundred fifty-six million, sixty-eight thousand, four hundred thirty-four".
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