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30122223211 = 17194111320129
BaseRepresentation
bin11100000011011011…
…001010011001101011
32212202021021111002201
4130003123022121223
5443142242120321
621500555441031
72114312446513
oct340333123153
985667244081
1030122223211
1111858234153
125a07a56177
132ac07b9c22
14165a782843
15bb471d291
hex7036ca66b

30122223211 has 32 divisors (see below), whose sum is σ = 34697678400. Its totient is φ = 25969950720.

The previous prime is 30122223193. The next prime is 30122223221. The reversal of 30122223211 is 11232222103.

It is not a de Polignac number, because 30122223211 - 27 = 30122223083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (30122223221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1486395 + ... + 1506523.

It is an arithmetic number, because the mean of its divisors is an integer number (1084302450).

Almost surely, 230122223211 is an apocalyptic number.

30122223211 is a deficient number, since it is larger than the sum of its proper divisors (4575455189).

30122223211 is a wasteful number, since it uses less digits than its factorization.

30122223211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20319.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30122223211 its reverse (11232222103), we get a palindrome (41354445314).

The spelling of 30122223211 in words is "thirty billion, one hundred twenty-two million, two hundred twenty-three thousand, two hundred eleven".

Divisors: 1 17 19 41 113 323 697 779 1921 2147 4633 13243 20129 36499 78761 88027 342193 382451 825289 1496459 2274577 6501667 14029913 15680491 38667809 43216963 93257657 266568347 734688371 1585380169 1771895483 30122223211