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30444312404 = 22112923859179
BaseRepresentation
bin11100010110100111…
…110101011101010100
32220120201100022102002
4130112213311131110
5444322220444104
621552543134432
72125303246202
oct342647653524
986521308362
1030444312404
1111a03025570
125a978a4418
132b4245004c
14168b466072
15bd2b4201e
hex7169f5754

30444312404 has 24 divisors (see below), whose sum is σ = 60125133600. Its totient is φ = 13361139680.

The previous prime is 30444312403. The next prime is 30444312407. The reversal of 30444312404 is 40421344403.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30444312403) 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, 11928314 + ... + 11930865.

It is an arithmetic number, because the mean of its divisors is an integer number (2505213900).

Almost surely, 230444312404 is an apocalyptic number.

It is an amenable number.

30444312404 is a deficient number, since it is larger than the sum of its proper divisors (29680821196).

30444312404 is a wasteful number, since it uses less digits than its factorization.

30444312404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23859223 (or 23859221 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 30444312404 its reverse (40421344403), we get a palindrome (70865656807).

The spelling of 30444312404 in words is "thirty billion, four hundred forty-four million, three hundred twelve thousand, four hundred four".

Divisors: 1 2 4 11 22 29 44 58 116 319 638 1276 23859179 47718358 95436716 262450969 524901938 691916191 1049803876 1383832382 2767664764 7611078101 15222156202 30444312404