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30430302132 = 2235361784367
BaseRepresentation
bin11100010101110010…
…011000111110110100
32220112201222111221010
4130111302120332310
5444310124132012
621551322552220
72125043205006
oct342562307664
986481874833
1030430302132
11119a612642a
125a93068670
132b3c586049
14168965a376
15bd17c5c3c
hex715c98fb4

30430302132 has 48 divisors (see below), whose sum is σ = 73529793792. Its totient is φ = 9788887680.

The previous prime is 30430302121. The next prime is 30430302197. The reversal of 30430302132 is 23120303403.

It is a junction number, because it is equal to n+sod(n) for n = 30430302099 and 30430302108.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 353388 + ... + 430979.

It is an arithmetic number, because the mean of its divisors is an integer number (1531870704).

Almost surely, 230430302132 is an apocalyptic number.

It is an amenable number.

30430302132 is an abundant number, since it is smaller than the sum of its proper divisors (43099491660).

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

30430302132 is a wasteful number, since it uses less digits than its factorization.

30430302132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784488 (or 784486 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30430302132 its reverse (23120303403), we get a palindrome (53550605535).

The spelling of 30430302132 in words is "thirty billion, four hundred thirty million, three hundred two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 53 61 106 122 159 183 212 244 318 366 636 732 3233 6466 9699 12932 19398 38796 784367 1568734 2353101 3137468 4706202 9412404 41571451 47846387 83142902 95692774 124714353 143539161 166285804 191385548 249428706 287078322 498857412 574156644 2535858511 5071717022 7607575533 10143434044 15215151066 30430302132