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30319274072 = 2310847349397
BaseRepresentation
bin11100001111001010…
…110110100001011000
32220021000001201001202
4130033022312201120
5444043213232242
621532315133332
72122224402023
oct341712664130
986230051052
1030319274072
11119494923aa
125a61a44248
132b22580a79
1416789d81ba
15bc6b93932
hex70f2b6858

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".

Divisors: 1 2 4 8 10847 21694 43388 86776 349397 698794 1397588 2795176 3789909259 7579818518 15159637036 30319274072