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30042343506 = 2371947801001
BaseRepresentation
bin11011111110101010…
…011100100001010010
32212112200222011202010
4123332222130201102
5443011314443011
621445023403350
72112322464210
oct337652344122
985480864663
1030042343506
111181713536a
1259a5153556
132aaa09c526
14164dd0bcb0
15bac6e01a6
hex6fea9c852

30042343506 has 64 divisors (see below), whose sum is σ = 73820344320. Its totient is φ = 7958736000.

The previous prime is 30042343451. The next prime is 30042343531. The reversal of 30042343506 is 60534324003.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 362995 + ... + 438006.

It is an arithmetic number, because the mean of its divisors is an integer number (1153442880).

Almost surely, 230042343506 is an apocalyptic number.

30042343506 is an abundant number, since it is smaller than the sum of its proper divisors (43778000814).

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

30042343506 is a wasteful number, since it uses less digits than its factorization.

30042343506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801079.

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

Adding to 30042343506 its reverse (60534324003), we get a palindrome (90576667509).

The spelling of 30042343506 in words is "thirty billion, forty-two million, three hundred forty-three thousand, five hundred six".

Divisors: 1 2 3 6 7 14 19 21 38 42 47 57 94 114 133 141 266 282 329 399 658 798 893 987 1786 1974 2679 5358 6251 12502 18753 37506 801001 1602002 2403003 4806006 5607007 11214014 15219019 16821021 30438038 33642042 37647047 45657057 75294094 91314114 106533133 112941141 213066266 225882282 263529329 319599399 527058658 639198798 715293893 790587987 1430587786 1581175974 2145881679 4291763358 5007057251 10014114502 15021171753 30042343506