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30244225568 = 257124332
BaseRepresentation
bin11100001010101100…
…100100001000100000
32220001202211211212112
4130022230210020200
5443420010204233
621521034414452
72120323450514
oct341254441040
986052754775
1030244225568
1111910093347
125a40891428
132b0cb6537b
14166ca60144
15bc02bc048
hex70ab24220

30244225568 has 54 divisors (see below), whose sum is σ = 60533568837. Its totient is φ = 14874693120.

The previous prime is 30244225553. The next prime is 30244225591. The reversal of 30244225568 is 86552244203.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 24665330704 + 5578894864 = 157052^2 + 74692^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=122972.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 69847880 + ... + 69848312.

Almost surely, 230244225568 is an apocalyptic number.

It is an amenable number.

30244225568 is an abundant number, since it is smaller than the sum of its proper divisors (30289343269).

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

30244225568 is an frugal number, since it uses more digits than its factorization.

30244225568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 30244225568 in words is "thirty billion, two hundred forty-four million, two hundred twenty-five thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 16 32 71 142 284 433 568 866 1136 1732 2272 3464 5041 6928 10082 13856 20164 30743 40328 61486 80656 122972 161312 187489 245944 374978 491888 749956 983776 1499912 2182753 2999824 4365506 5999648 8731012 13311719 17462024 26623438 34924048 53246876 69848096 106493752 212987504 425975008 945132049 1890264098 3780528196 7561056392 15122112784 30244225568