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30344432312 = 2323421139163
BaseRepresentation
bin11100010000101010…
…110100101010111000
32220022202101212200102
4130100222310222320
5444121133313222
621535014254532
72122651263455
oct342052645270
986282355612
1030344432312
1111961706137
125a6a357448
132b2784bcbc
14167c0a682c
15bc8eb2d92
hex710ab4ab8

30344432312 has 32 divisors (see below), whose sum is σ = 59385156480. Its totient is φ = 14508737760.

The previous prime is 30344432311. The next prime is 30344432329. The reversal of 30344432312 is 21323444303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30344432311) 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, 755243 + ... + 794405.

It is an arithmetic number, because the mean of its divisors is an integer number (1855786140).

Almost surely, 230344432312 is an apocalyptic number.

It is an amenable number.

30344432312 is a deficient number, since it is larger than the sum of its proper divisors (29040724168).

30344432312 is a wasteful number, since it uses less digits than its factorization.

30344432312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43403 (or 43399 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 30344432312 its reverse (21323444303), we get a palindrome (51667876615).

The spelling of 30344432312 in words is "thirty billion, three hundred forty-four million, four hundred thirty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 23 46 92 184 4211 8422 16844 33688 39163 78326 96853 156652 193706 313304 387412 774824 900749 1801498 3602996 7205992 164915393 329830786 659661572 1319323144 3793054039 7586108078 15172216156 30344432312