Search a number
-
+
30002555030 = 257428607929
BaseRepresentation
bin11011111100010010…
…101010100010010110
32212102221002201012212
4123330102222202112
5442421123230110
621441042513422
72111330336630
oct337422524226
985387081185
1030002555030
11117a6729728
125993965872
132aa1a7b056
141648911a50
15ba8e80e05
hex6fc4aa896

30002555030 has 16 divisors (see below), whose sum is σ = 61719541920. Its totient is φ = 10286590272.

The previous prime is 30002554957. The next prime is 30002555047. The reversal of 30002555030 is 3055520003.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30002554987 and 30002555005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214303895 + ... + 214304034.

It is an arithmetic number, because the mean of its divisors is an integer number (3857471370).

Almost surely, 230002555030 is an apocalyptic number.

30002555030 is an abundant number, since it is smaller than the sum of its proper divisors (31716986890).

30002555030 is a wasteful number, since it uses less digits than its factorization.

30002555030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428607943.

The product of its (nonzero) digits is 2250, while the sum is 23.

The spelling of 30002555030 in words is "thirty billion, two million, five hundred fifty-five thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 428607929 857215858 2143039645 3000255503 4286079290 6000511006 15001277515 30002555030