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30432230340 = 22351792833541
BaseRepresentation
bin11100010101111001…
…101111101111000100
32220112212121110221020
4130111321233233010
5444311122332330
621551432151140
72125065455421
oct342571575704
986485543836
1030432230340
11119a7223096
125a938384b0
132b3caac8b5
1416899dcd48
15bd1a57210
hex715e6fbc4

30432230340 has 48 divisors (see below), whose sum is σ = 85686310080. Its totient is φ = 8069921920.

The previous prime is 30432230293. The next prime is 30432230357. The reversal of 30432230340 is 4303223403.

It is a super-2 number, since 2×304322303402 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30432230340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1406031 + ... + 1427510.

It is an arithmetic number, because the mean of its divisors is an integer number (1785131460).

Almost surely, 230432230340 is an apocalyptic number.

30432230340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30432230340 is an abundant number, since it is smaller than the sum of its proper divisors (55254079740).

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

30432230340 is a wasteful number, since it uses less digits than its factorization.

30432230340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833732 (or 2833730 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 30432230340 its reverse (4303223403), we get a palindrome (34735453743).

The spelling of 30432230340 in words is "thirty billion, four hundred thirty-two million, two hundred thirty thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 179 358 537 716 895 1074 1790 2148 2685 3580 5370 10740 2833541 5667082 8500623 11334164 14167705 17001246 28335410 34002492 42503115 56670820 85006230 170012460 507203839 1014407678 1521611517 2028815356 2536019195 3043223034 5072038390 6086446068 7608057585 10144076780 15216115170 30432230340