Search a number
-
+
30510045249 = 359587293651
BaseRepresentation
bin11100011010100010…
…100101100001000001
32220202022000212220220
4130122202211201001
5444441032421444
622003252053253
72130032051145
oct343242454101
986668025826
1030510045249
1111a37141632
125ab5904229
132b52c56518
141696097225
15bd87c8619
hex71a8a5841

30510045249 has 16 divisors (see below), whose sum is σ = 41440170240. Its totient is φ = 19961152400.

The previous prime is 30510045179. The next prime is 30510045257. The reversal of 30510045249 is 94254001503.

It is a cyclic number.

It is not a de Polignac number, because 30510045249 - 212 = 30510041153 is a prime.

It is a super-2 number, since 2×305100452492 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30510045149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42927 + ... + 250724.

It is an arithmetic number, because the mean of its divisors is an integer number (2590010640).

Almost surely, 230510045249 is an apocalyptic number.

It is an amenable number.

30510045249 is a deficient number, since it is larger than the sum of its proper divisors (10930124991).

30510045249 is a wasteful number, since it uses less digits than its factorization.

30510045249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294300.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 30510045249 in words is "thirty billion, five hundred ten million, forty-five thousand, two hundred forty-nine".

Divisors: 1 3 59 177 587 1761 34633 103899 293651 880953 17325409 51976227 172373137 517119411 10170015083 30510045249