Search a number
-
+
30055563167 = 7173178913873
BaseRepresentation
bin11011111111011100…
…110111111110011111
32212120121211210201012
4123333130313332133
5443023211010132
621450215005435
72112543033410
oct337734677637
985517753635
1030055563167
1111823644503
1259a966987b
132aaca4a706
14165198d807
15bad9520b2
hex6ff737f9f

30055563167 has 16 divisors (see below), whose sum is σ = 34569568320. Its totient is φ = 25596836352.

The previous prime is 30055563143. The next prime is 30055563227. The reversal of 30055563167 is 76136555003.

It is a cyclic number.

It is not a de Polignac number, because 30055563167 - 26 = 30055563103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30055563067) 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, 2159543 + ... + 2173415.

It is an arithmetic number, because the mean of its divisors is an integer number (2160598020).

Almost surely, 230055563167 is an apocalyptic number.

30055563167 is a deficient number, since it is larger than the sum of its proper divisors (4514005153).

30055563167 is a wasteful number, since it uses less digits than its factorization.

30055563167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15842.

The product of its (nonzero) digits is 283500, while the sum is 41.

The spelling of 30055563167 in words is "thirty billion, fifty-five million, five hundred sixty-three thousand, one hundred sixty-seven".

Divisors: 1 7 173 1211 1789 12523 13873 97111 309497 2166479 2400029 16800203 24818797 173731579 4293651881 30055563167