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30433323142 = 216811905161
BaseRepresentation
bin11100010101111101…
…111010100010000110
32220112221122222222101
4130111331322202012
5444311412320032
621551511422314
72125110656425
oct342575724206
986487588871
1030433323142
11119a78aa132
125a9408499a
132b400a3121
141689c052bc
15bd1bc0de7
hex715f7a886

30433323142 has 8 divisors (see below), whose sum is σ = 45652750632. Its totient is φ = 15215739600.

The previous prime is 30433323073. The next prime is 30433323161. The reversal of 30433323142 is 24132333403.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30433323142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418959 + ... + 486202.

It is an arithmetic number, because the mean of its divisors is an integer number (5706593829).

Almost surely, 230433323142 is an apocalyptic number.

30433323142 is a deficient number, since it is larger than the sum of its proper divisors (15219427490).

30433323142 is a wasteful number, since it uses less digits than its factorization.

30433323142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921974.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 30433323142 its reverse (24132333403), we get a palindrome (54565656545).

The spelling of 30433323142 in words is "thirty billion, four hundred thirty-three million, three hundred twenty-three thousand, one hundred forty-two".

Divisors: 1 2 16811 33622 905161 1810322 15216661571 30433323142