Base | Representation |
---|---|
bin | 11100001111001010… |
… | …110110100001011000 |
3 | 2220021000001201001202 |
4 | 130033022312201120 |
5 | 444043213232242 |
6 | 21532315133332 |
7 | 2122224402023 |
oct | 341712664130 |
9 | 86230051052 |
10 | 30319274072 |
11 | 119494923aa |
12 | 5a61a44248 |
13 | 2b22580a79 |
14 | 16789d81ba |
15 | bc6b93932 |
hex | 70f2b6858 |
30319274072 has 16 divisors (see below), whose sum is σ = 56854042560. Its totient is φ = 15158196064.
The previous prime is 30319274021. The next prime is 30319274077. The reversal of 30319274072 is 27047291303.
It is a super-2 number, since 2×303192740722 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30319274077) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87923 + ... + 261474.
It is an arithmetic number, because the mean of its divisors is an integer number (3553377660).
Almost surely, 230319274072 is an apocalyptic number.
It is an amenable number.
30319274072 is a deficient number, since it is larger than the sum of its proper divisors (26534768488).
30319274072 is a wasteful number, since it uses less digits than its factorization.
30319274072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 360250 (or 360246 counting only the distinct ones).
The product of its (nonzero) digits is 63504, while the sum is 38.
The spelling of 30319274072 in words is "thirty billion, three hundred nineteen million, two hundred seventy-four thousand, seventy-two".
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