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30433031444 = 2237920074559
BaseRepresentation
bin11100010101111100…
…110011010100010100
32220112221010011211202
4130111330303110110
5444311324001234
621551501252032
72125105333124
oct342574632424
986487104752
1030433031444
11119a771aa62
125a93b64018
132b4000041a
141689b6ac84
15bd1b6477e
hex715f33514

30433031444 has 12 divisors (see below), whose sum is σ = 53398329600. Its totient is φ = 15176365848.

The previous prime is 30433031401. The next prime is 30433031449. The reversal of 30433031444 is 44413033403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30433031449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10035764 + ... + 10038795.

It is an arithmetic number, because the mean of its divisors is an integer number (4449860800).

Almost surely, 230433031444 is an apocalyptic number.

It is an amenable number.

30433031444 is a deficient number, since it is larger than the sum of its proper divisors (22965298156).

30433031444 is a wasteful number, since it uses less digits than its factorization.

30433031444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20074942 (or 20074940 counting only the distinct ones).

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

Adding to 30433031444 its reverse (44413033403), we get a palindrome (74846064847).

The spelling of 30433031444 in words is "thirty billion, four hundred thirty-three million, thirty-one thousand, four hundred forty-four".

Divisors: 1 2 4 379 758 1516 20074559 40149118 80298236 7608257861 15216515722 30433031444