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30029730279 = 340493247201
BaseRepresentation
bin11011111101111010…
…010101000111100111
32212111211020100122120
4123331322111013213
5443000102332104
621443453201023
72112110332023
oct337572250747
985454210576
1030029730279
111180aaaa90a
1259a0a90173
132aa75a4393
14164c387383
15bab54ccd9
hex6fde951e7

30029730279 has 8 divisors (see below), whose sum is σ = 40040791152. Its totient is φ = 20019244800.

The previous prime is 30029730251. The next prime is 30029730293. The reversal of 30029730279 is 97203792003.

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

It is not a de Polignac number, because 30029730279 - 221 = 30027633127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30029730279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30029730179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2122 + ... + 245079.

It is an arithmetic number, because the mean of its divisors is an integer number (5005098894).

Almost surely, 230029730279 is an apocalyptic number.

30029730279 is a deficient number, since it is larger than the sum of its proper divisors (10011060873).

30029730279 is a wasteful number, since it uses less digits than its factorization.

30029730279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287697.

The product of its (nonzero) digits is 142884, while the sum is 42.

The spelling of 30029730279 in words is "thirty billion, twenty-nine million, seven hundred thirty thousand, two hundred seventy-nine".

Divisors: 1 3 40493 121479 247201 741603 10009910093 30029730279