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30532015140 = 22351146260629
BaseRepresentation
bin11100011011110110…
…011001010000100100
32220210211101001221120
4130123312121100210
51000012143441030
622005355013540
72130416563254
oct343366312044
986724331846
1030532015140
1111a48587970
125b0113a2b0
132b57679463
141698d75964
15bda6b8010
hex71bd99424

30532015140 has 48 divisors (see below), whose sum is σ = 93261430080. Its totient is φ = 7401700480.

The previous prime is 30532015139. The next prime is 30532015169. The reversal of 30532015140 is 4151023503.

It is a self number, because there is not a number n which added to its sum of digits gives 30532015140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23129655 + ... + 23130974.

It is an arithmetic number, because the mean of its divisors is an integer number (1942946460).

Almost surely, 230532015140 is an apocalyptic number.

30532015140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30532015140 is an abundant number, since it is smaller than the sum of its proper divisors (62729414940).

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

30532015140 is a wasteful number, since it uses less digits than its factorization.

30532015140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46260652 (or 46260650 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 30532015140 its reverse (4151023503), we get a palindrome (34683038643).

The spelling of 30532015140 in words is "thirty billion, five hundred thirty-two million, fifteen thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 46260629 92521258 138781887 185042516 231303145 277563774 462606290 508866919 555127548 693909435 925212580 1017733838 1387818870 1526600757 2035467676 2544334595 2775637740 3053201514 5088669190 6106403028 7633003785 10177338380 15266007570 30532015140