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30143232222 = 2323696131379
BaseRepresentation
bin11100000100101011…
…010011100011011110
32212210201210212001020
4130010223103203132
5443213131412342
621503030025010
72114656150335
oct340453234336
985721725036
1030143232222
1111869083574
125a12aa8166
132ac4c646ac
14165d490d1c
15bb64bd0ec
hex704ad38de

30143232222 has 32 divisors (see below), whose sum is σ = 62918657280. Its totient is φ = 9609198720.

The previous prime is 30143232193. The next prime is 30143232239. The reversal of 30143232222 is 22223234103.

It is a super-2 number, since 2×301432322222 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30143232192 and 30143232201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944929 + ... + 976307.

It is an arithmetic number, because the mean of its divisors is an integer number (1966208040).

Almost surely, 230143232222 is an apocalyptic number.

30143232222 is an abundant number, since it is smaller than the sum of its proper divisors (32775425058).

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

30143232222 is a wasteful number, since it uses less digits than its factorization.

30143232222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38368.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30143232222 its reverse (22223234103), we get a palindrome (52366466325).

The spelling of 30143232222 in words is "thirty billion, one hundred forty-three million, two hundred thirty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 23 46 69 138 6961 13922 20883 31379 41766 62758 94137 160103 188274 320206 480309 721717 960618 1443434 2165151 4330302 218429219 436858438 655287657 1310575314 5023872037 10047744074 15071616111 30143232222