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30643253364 = 2233182374337
BaseRepresentation
bin11100100010011110…
…101111000001110100
32221002120200120002210
4130202132233001310
51000224133101424
622024411133420
72133240233043
oct344236570164
987076616083
1030643253364
1111aa5354889
125b32444270
132b747262a9
1416a9a5055a
15be533c729
hex7227af074

30643253364 has 24 divisors (see below), whose sum is σ = 73807406848. Its totient is φ = 9884920320.

The previous prime is 30643253363. The next prime is 30643253489. The reversal of 30643253364 is 46335234603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30643253363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41186797 + ... + 41187540.

Almost surely, 230643253364 is an apocalyptic number.

It is an amenable number.

30643253364 is an abundant number, since it is smaller than the sum of its proper divisors (43164153484).

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

30643253364 is a wasteful number, since it uses less digits than its factorization.

30643253364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82374375 (or 82374373 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 39.

Adding to 30643253364 its reverse (46335234603), we get a palindrome (76978487967).

The spelling of 30643253364 in words is "thirty billion, six hundred forty-three million, two hundred fifty-three thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 82374337 164748674 247123011 329497348 494246022 988492044 2553604447 5107208894 7660813341 10214417788 15321626682 30643253364