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30310043005 = 511551091691
BaseRepresentation
bin11100001110100111…
…101000110101111101
32220020100200201102101
4130032213220311331
5444033332334010
621531345225101
72122053054214
oct341647506575
986210621371
1030310043005
1111944257a20
125a5a932191
132b2069b1b8
1416776b407b
15bc5e6d73a
hex70e9e8d7d

30310043005 has 8 divisors (see below), whose sum is σ = 39678601824. Its totient is φ = 22043667600.

The previous prime is 30310042993. The next prime is 30310043039. The reversal of 30310043005 is 50034001303.

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

It is a de Polignac number, because none of the positive numbers 2k-30310043005 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 275545791 + ... + 275545900.

It is an arithmetic number, because the mean of its divisors is an integer number (4959825228).

Almost surely, 230310043005 is an apocalyptic number.

It is an amenable number.

30310043005 is a deficient number, since it is larger than the sum of its proper divisors (9368558819).

30310043005 is a wasteful number, since it uses less digits than its factorization.

30310043005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551091707.

The product of its (nonzero) digits is 540, while the sum is 19.

Adding to 30310043005 its reverse (50034001303), we get a palindrome (80344044308).

The spelling of 30310043005 in words is "thirty billion, three hundred ten million, forty-three thousand, five".

Divisors: 1 5 11 55 551091691 2755458455 6062008601 30310043005