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30011102220 = 22351145471367
BaseRepresentation
bin11011111100110011…
…010001010000001100
32212110112011221202110
4123330303101100030
5442430320232340
621441550024020
72111463105561
oct337463212014
985415157673
1030011102220
1111800537320
1259967a8010
132aa3781568
141649ad8868
15ba9abd680
hex6fccd140c

30011102220 has 48 divisors (see below), whose sum is σ = 91670277888. Its totient is φ = 7275418560.

The previous prime is 30011102203. The next prime is 30011102221. The reversal of 30011102220 is 2220111003.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30011102196 and 30011102205.

It is not an unprimeable number, because it can be changed into a prime (30011102221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22735024 + ... + 22736343.

It is an arithmetic number, because the mean of its divisors is an integer number (1909797456).

Almost surely, 230011102220 is an apocalyptic number.

30011102220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30011102220 is an abundant number, since it is smaller than the sum of its proper divisors (61659175668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30011102220 is a wasteful number, since it uses less digits than its factorization.

30011102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45471390 (or 45471388 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 30011102220 its reverse (2220111003), we get a palindrome (32231213223).

It can be divided in two parts, 30011 and 102220, that added together give a palindrome (132231).

The spelling of 30011102220 in words is "thirty billion, eleven million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 45471367 90942734 136414101 181885468 227356835 272828202 454713670 500185037 545656404 682070505 909427340 1000370074 1364141010 1500555111 2000740148 2500925185 2728282020 3001110222 5001850370 6002220444 7502775555 10003700740 15005551110 30011102220