Search a number
-
+
30006433542 = 2317294180721
BaseRepresentation
bin11011111100100001…
…011101011100000110
32212110012101202112110
4123330201131130012
5442423121333132
621441302001450
72111405322351
oct337441353406
985405352473
1030006433542
11117a8938708
125995116286
132aa2808527
141649241298
15ba949a1cc
hex6fc85d706

30006433542 has 16 divisors (see below), whose sum is σ = 63543035952. Its totient is φ = 9413783040.

The previous prime is 30006433463. The next prime is 30006433547. The reversal of 30006433542 is 24533460003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30006433547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147090259 + ... + 147090462.

It is an arithmetic number, because the mean of its divisors is an integer number (3971439747).

Almost surely, 230006433542 is an apocalyptic number.

30006433542 is an abundant number, since it is smaller than the sum of its proper divisors (33536602410).

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

30006433542 is a wasteful number, since it uses less digits than its factorization.

30006433542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294180743.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 30006433542 its reverse (24533460003), we get a palindrome (54539893545).

The spelling of 30006433542 in words is "thirty billion, six million, four hundred thirty-three thousand, five hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 294180721 588361442 882542163 1765084326 5001072257 10002144514 15003216771 30006433542