Base | Representation |
---|---|
bin | 11100000010110001… |
… | …001100100100001110 |
3 | 2212201111120120022120 |
4 | 130002301030210032 |
5 | 443131433101110 |
6 | 21455523553410 |
7 | 2114120110221 |
oct | 340261144416 |
9 | 85644516276 |
10 | 30111222030 |
11 | 11851aaa86a |
12 | 5a0422b866 |
13 | 2abb437756 |
14 | 165911b5b8 |
15 | bb3798870 |
hex | 702c4c90e |
30111222030 has 64 divisors (see below), whose sum is σ = 73246871808. Its totient is φ = 7921405440.
The previous prime is 30111222013. The next prime is 30111222047. The reversal of 30111222030 is 3022211103.
It is an interprime number because it is at equal distance from previous prime (30111222013) and next prime (30111222047).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 754149 + ... + 793071.
It is an arithmetic number, because the mean of its divisors is an integer number (1144482372).
Almost surely, 230111222030 is an apocalyptic number.
30111222030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30111222030 is an abundant number, since it is smaller than the sum of its proper divisors (43135649778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30111222030 is a wasteful number, since it uses less digits than its factorization.
30111222030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39281.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 30111222030 its reverse (3022211103), we get a palindrome (33133433133).
The spelling of 30111222030 in words is "thirty billion, one hundred eleven million, two hundred twenty-two thousand, thirty".
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