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30442240412 = 2229904129027
BaseRepresentation
bin11100010110011111…
…111011100110011100
32220120120110001011122
4130112133323212130
5444321203143122
621552430510112
72125246526333
oct342637734634
986516401148
1030442240412
1111a0193a881
125a97065338
132b41ba5c0c
14168b086d1a
15bd2883142
hex7167fb99c

30442240412 has 24 divisors (see below), whose sum is σ = 55118946960. Its totient is φ = 14694122240.

The previous prime is 30442240369. The next prime is 30442240417. The reversal of 30442240412 is 21404224403.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30442240417) 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, 1034243 + ... + 1063269.

It is an arithmetic number, because the mean of its divisors is an integer number (2296622790).

Almost surely, 230442240412 is an apocalyptic number.

It is an amenable number.

30442240412 is a deficient number, since it is larger than the sum of its proper divisors (24676706548).

30442240412 is a wasteful number, since it uses less digits than its factorization.

30442240412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38101 (or 38099 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 30442240412 its reverse (21404224403), we get a palindrome (51846464815).

The spelling of 30442240412 in words is "thirty billion, four hundred forty-two million, two hundred forty thousand, four hundred twelve".

Divisors: 1 2 4 29 58 116 9041 18082 29027 36164 58054 116108 262189 524378 841783 1048756 1683566 3367132 262433107 524866214 1049732428 7610560103 15221120206 30442240412