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30430311330 = 23538312372141
BaseRepresentation
bin11100010101110010…
…011011001110100010
32220112201222222112210
4130111302123032202
5444310124430310
621551323102550
72125043243556
oct342562331642
986481888483
1030430311330
11119a6132331
125a93071a56
132b3c58a2a3
14168965d866
15bd17c8820
hex715c9b3a2

30430311330 has 64 divisors (see below), whose sum is σ = 73316855808. Its totient is φ = 8083242240.

The previous prime is 30430311293. The next prime is 30430311347. The reversal of 30430311330 is 3311303403.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30430311297 and 30430311306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14212060 + ... + 14214200.

It is an arithmetic number, because the mean of its divisors is an integer number (1145575872).

Almost surely, 230430311330 is an apocalyptic number.

30430311330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30430311330 is an abundant number, since it is smaller than the sum of its proper divisors (42886544478).

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

30430311330 is a wasteful number, since it uses less digits than its factorization.

30430311330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3771.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30430311330 its reverse (3311303403), we get a palindrome (33741614733).

The spelling of 30430311330 in words is "thirty billion, four hundred thirty million, three hundred eleven thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 383 766 1149 1237 1915 2141 2298 2474 3711 3830 4282 5745 6185 6423 7422 10705 11490 12370 12846 18555 21410 32115 37110 64230 473771 820003 947542 1421313 1640006 2368855 2460009 2648417 2842626 4100015 4737710 4920018 5296834 7106565 7945251 8200030 12300045 13242085 14213130 15890502 24600090 26484170 39726255 79452510 1014343711 2028687422 3043031133 5071718555 6086062266 10143437110 15215155665 30430311330