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30032121330 = 234540499157
BaseRepresentation
bin11011111110000011…
…011100110111110010
32212111222201211120000
4123332003130313302
5443001210340310
621444020330430
72112136551021
oct337603346762
985458654500
1030032121330
1111811393292
1259a1843a16
132aa7c307c3
14164c80a8b8
15bab8714c0
hex6fe0dcdf2

30032121330 has 80 divisors (see below), whose sum is σ = 80781802200. Its totient is φ = 8005713408.

The previous prime is 30032121323. The next prime is 30032121367. The reversal of 30032121330 is 3312123003.

30032121330 is a `hidden beast` number, since 300 + 32 + 1 + 2 + 1 + 330 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 14433859881 + 15598261449 = 120141^2 + 124893^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3275112 + ... + 3284268.

Almost surely, 230032121330 is an apocalyptic number.

30032121330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30032121330 is an abundant number, since it is smaller than the sum of its proper divisors (50749680870).

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

30032121330 is a wasteful number, since it uses less digits than its factorization.

30032121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13225 (or 13216 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30032121330 its reverse (3312123003), we get a palindrome (33344244333).

The spelling of 30032121330 in words is "thirty billion, thirty-two million, one hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 4049 8098 9157 12147 18314 20245 24294 27471 36441 40490 45785 54942 60735 72882 82413 91570 109323 121470 137355 164826 182205 218646 247239 274710 327969 364410 412065 494478 546615 655938 741717 824130 1093230 1236195 1483434 1639845 2472390 3279690 3708585 7417170 37076693 74153386 111230079 185383465 222460158 333690237 370766930 556150395 667380474 1001070711 1112300790 1668451185 2002141422 3003212133 3336902370 5005353555 6006424266 10010707110 15016060665 30032121330