Search a number
-
+
30275505249 = 311917439553
BaseRepresentation
bin11100001100100011…
…111000110001100001
32220010221201000112020
4130030203320301201
5444001012131444
621524113052053
72121153356103
oct341443706141
986127630466
1030275505249
1111926808220
125a4b257029
132b16497962
141672c83573
15bc2dea119
hex70c8f8c61

30275505249 has 8 divisors (see below), whose sum is σ = 44037098592. Its totient is φ = 18348791040.

The previous prime is 30275505187. The next prime is 30275505251. The reversal of 30275505249 is 94250557203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30275505249 - 27 = 30275505121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30275505249.

It is not an unprimeable number, because it can be changed into a prime (30275505259) 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, 458719744 + ... + 458719809.

It is an arithmetic number, because the mean of its divisors is an integer number (5504637324).

Almost surely, 230275505249 is an apocalyptic number.

It is an amenable number.

30275505249 is a deficient number, since it is larger than the sum of its proper divisors (13761593343).

30275505249 is a wasteful number, since it uses less digits than its factorization.

30275505249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917439567.

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 30275505249 in words is "thirty billion, two hundred seventy-five million, five hundred five thousand, two hundred forty-nine".

Divisors: 1 3 11 33 917439553 2752318659 10091835083 30275505249