Search a number
-
+
30111021303 = 3111523599117
BaseRepresentation
bin11100000010110000…
…011011100011110111
32212201111012100222020
4130002300123203313
5443131410140203
621455515404223
72114115313056
oct340260334367
985644170866
1030111021303
1111851982a80
125a04153673
132abb39728c
1416590a839d
15bb3759153
hex702c1b8f7

30111021303 has 16 divisors (see below), whose sum is σ = 43826679936. Its totient is φ = 18237091040.

The previous prime is 30111021301. The next prime is 30111021313. The reversal of 30111021303 is 30312011103.

It is a cyclic number.

It is not a de Polignac number, because 30111021303 - 21 = 30111021301 is a prime.

It is a super-3 number, since 3×301110213033 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30111021301) 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, 249300 + ... + 349817.

It is an arithmetic number, because the mean of its divisors is an integer number (2739167496).

Almost surely, 230111021303 is an apocalyptic number.

30111021303 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30111021303 is a deficient number, since it is larger than the sum of its proper divisors (13715658633).

30111021303 is a wasteful number, since it uses less digits than its factorization.

30111021303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600654.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30111021303 its reverse (30312011103), we get a palindrome (60423032406).

The spelling of 30111021303 in words is "thirty billion, one hundred eleven million, twenty-one thousand, three hundred three".

Divisors: 1 3 11 33 1523 4569 16753 50259 599117 1797351 6590287 19770861 912455191 2737365573 10037007101 30111021303