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30040903493 = 311735601511
BaseRepresentation
bin11011111110100100…
…111100111101000101
32212112121021000102022
4123332210330331011
5443010432402433
621444532452525
72112304316006
oct337644747505
985477230368
1030040903493
1111816341477
1259a477a145
132aa99b6c53
14164da551ad
15bac508698
hex6fe93cf45

30040903493 has 8 divisors (see below), whose sum is σ = 31189218816. Its totient is φ = 28903791600.

The previous prime is 30040903481. The next prime is 30040903499. The reversal of 30040903493 is 39430904003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30040903493 - 26 = 30040903429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30040903499) 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, 2795393 + ... + 2806118.

It is an arithmetic number, because the mean of its divisors is an integer number (3898652352).

Almost surely, 230040903493 is an apocalyptic number.

It is an amenable number.

30040903493 is a deficient number, since it is larger than the sum of its proper divisors (1148315323).

30040903493 is a wasteful number, since it uses less digits than its factorization.

30040903493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601715.

The product of its (nonzero) digits is 34992, while the sum is 35.

The spelling of 30040903493 in words is "thirty billion, forty million, nine hundred three thousand, four hundred ninety-three".

Divisors: 1 31 173 5363 5601511 173646841 969061403 30040903493