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30275300505 = 3537531029247
BaseRepresentation
bin11100001100100011…
…000110110010011001
32220010221022121200010
4130030203012302121
5444000434104010
621524104432133
72121151544142
oct341443066231
986127277603
1030275300505
111192668840a
125a4b178649
132b164256c8
141672c2cac9
15bc2da9620
hex70c8c6c99

30275300505 has 32 divisors (see below), whose sum is σ = 50688405504. Its totient is φ = 15413988096.

The previous prime is 30275300479. The next prime is 30275300509. The reversal of 30275300505 is 50500357203.

It is not a de Polignac number, because 30275300505 - 212 = 30275296409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30275300509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 485209 + ... + 544038.

It is an arithmetic number, because the mean of its divisors is an integer number (1584012672).

Almost surely, 230275300505 is an apocalyptic number.

It is an amenable number.

30275300505 is a deficient number, since it is larger than the sum of its proper divisors (20413104999).

30275300505 is a wasteful number, since it uses less digits than its factorization.

30275300505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029345.

The product of its (nonzero) digits is 15750, while the sum is 30.

Adding to 30275300505 its reverse (50500357203), we get a palindrome (80775657708).

The spelling of 30275300505 in words is "thirty billion, two hundred seventy-five million, three hundred thousand, five hundred five".

Divisors: 1 3 5 15 37 53 111 159 185 265 555 795 1961 5883 9805 29415 1029247 3087741 5146235 15438705 38082139 54550091 114246417 163650273 190410695 272750455 571232085 818251365 2018353367 6055060101 10091766835 30275300505