Search a number
-
+
30550025278 = 2113337401119
BaseRepresentation
bin11100011100111011…
…000110010000111110
32220212002021002012201
4130130323012100332
51000031301302103
622011241022114
72131025634043
oct343473062076
986762232181
1030550025278
1111a57769183
125b0718493a
132b5b313c46
14169b5031ca
15bdc07451d
hex71cec643e

30550025278 has 16 divisors (see below), whose sum is σ = 46367867520. Its totient is φ = 15094872576.

The previous prime is 30550025227. The next prime is 30550025327. The reversal of 30550025278 is 87252005503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124398 + ... + 276721.

It is an arithmetic number, because the mean of its divisors is an integer number (2897991720).

Almost surely, 230550025278 is an apocalyptic number.

30550025278 is a deficient number, since it is larger than the sum of its proper divisors (15817842242).

30550025278 is a wasteful number, since it uses less digits than its factorization.

30550025278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401571.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 30550025278 in words is "thirty billion, five hundred fifty million, twenty-five thousand, two hundred seventy-eight".

Divisors: 1 2 113 226 337 674 38081 76162 401119 802238 45326447 90652894 135177103 270354206 15275012639 30550025278