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30038597648 = 2429227285191
BaseRepresentation
bin11011111110011100…
…001010000000010000
32212112102220212101122
4123332130022000100
5443004340111043
621444411221412
72112245603303
oct337634120020
985472825348
1030038597648
1111815007014
1259a3a47868
132aa938a547
14164d614b3a
15bac200368
hex6fe70a010

30038597648 has 40 divisors (see below), whose sum is σ = 60472111680. Its totient is φ = 14437458560.

The previous prime is 30038597551. The next prime is 30038597663. The reversal of 30038597648 is 84679583003.

It is a super-2 number, since 2×300385976482 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30038597648.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37268 + ... + 247923.

It is an arithmetic number, because the mean of its divisors is an integer number (1511802792).

Almost surely, 230038597648 is an apocalyptic number.

It is an amenable number.

30038597648 is an abundant number, since it is smaller than the sum of its proper divisors (30433514032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30038597648 is a wasteful number, since it uses less digits than its factorization.

30038597648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285455 (or 285449 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 30038597648 in words is "thirty billion, thirty-eight million, five hundred ninety-seven thousand, six hundred forty-eight".

Divisors: 1 2 4 8 16 29 58 116 227 232 454 464 908 1816 3632 6583 13166 26332 52664 105328 285191 570382 1140764 2281528 4563056 8270539 16541078 33082156 64738357 66164312 129476714 132328624 258953428 517906856 1035813712 1877412353 3754824706 7509649412 15019298824 30038597648