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30208193732 = 2226892808497
BaseRepresentation
bin11100001000100011…
…000111010011000100
32212222021001020111002
4130020203013103010
5443331244144412
621513310232432
72116405260443
oct341043072304
985867036432
1030208193732
11118a1813072
125a307b5718
132b0555aa62
141667d60d5a
15bbc050dc2
hex7088c74c4

30208193732 has 12 divisors (see below), whose sum is σ = 52884017340. Its totient is φ = 15098474496.

The previous prime is 30208193731. The next prime is 30208193783. The reversal of 30208193732 is 23739180203.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14396640196 + 15811553536 = 119986^2 + 125744^2 .

It is not an unprimeable number, because it can be changed into a prime (30208193731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393493 + ... + 1415004.

It is an arithmetic number, because the mean of its divisors is an integer number (4407001445).

Almost surely, 230208193732 is an apocalyptic number.

It is an amenable number.

30208193732 is a deficient number, since it is larger than the sum of its proper divisors (22675823608).

30208193732 is a wasteful number, since it uses less digits than its factorization.

30208193732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811190 (or 2811188 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 30208193732 in words is "thirty billion, two hundred eight million, one hundred ninety-three thousand, seven hundred thirty-two".

Divisors: 1 2 4 2689 5378 10756 2808497 5616994 11233988 7552048433 15104096866 30208193732