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30248025025 = 521209921001
BaseRepresentation
bin11100001010111011…
…000011101111000001
32220002000222212202011
4130022323003233001
5443421443300100
621521252052521
72120400653611
oct341273035701
986060885664
1030248025025
1111912248999
125a42004141
132b1089587a
14166d36ca41
15bc07bcbba
hex70aec3bc1

30248025025 has 6 divisors (see below), whose sum is σ = 37507551062. Its totient is φ = 24198420000.

The previous prime is 30248024893. The next prime is 30248025037. The reversal of 30248025025 is 52052084203.

It can be written as a sum of positive squares in 3 ways, for example, as 1377597456 + 28870427569 = 37116^2 + 169913^2 .

It is not a de Polignac number, because 30248025025 - 211 = 30248022977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 604960476 + ... + 604960525.

Almost surely, 230248025025 is an apocalyptic number.

It is an amenable number.

30248025025 is a deficient number, since it is larger than the sum of its proper divisors (7259526037).

30248025025 is a wasteful number, since it uses less digits than its factorization.

30248025025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209921011 (or 1209921006 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 30248025025 in words is "thirty billion, two hundred forty-eight million, twenty-five thousand, twenty-five".

Divisors: 1 5 25 1209921001 6049605005 30248025025