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30250275505 = 56050055101
BaseRepresentation
bin11100001011000011…
…101001001010110001
32220002012020012211021
4130023003221022301
5443423032304010
621521412215441
72120426046022
oct341303511261
986065205737
1030250275505
111191354579a
125a4290a581
132b111a3008
14166d796c49
15bc0ab48da
hex70b0e92b1

30250275505 has 4 divisors (see below), whose sum is σ = 36300330612. Its totient is φ = 24200220400.

The previous prime is 30250275493. The next prime is 30250275529. The reversal of 30250275505 is 50557205203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17671980096 + 12578295409 = 132936^2 + 112153^2 .

It is not a de Polignac number, because 30250275505 - 29 = 30250274993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3025027546 + ... + 3025027555.

It is an arithmetic number, because the mean of its divisors is an integer number (9075082653).

Almost surely, 230250275505 is an apocalyptic number.

It is an amenable number.

30250275505 is a deficient number, since it is larger than the sum of its proper divisors (6050055107).

30250275505 is an equidigital number, since it uses as much as digits as its factorization.

30250275505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050055106.

The product of its (nonzero) digits is 52500, while the sum is 34.

The spelling of 30250275505 in words is "thirty billion, two hundred fifty million, two hundred seventy-five thousand, five hundred five".

Divisors: 1 5 6050055101 30250275505