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30435221342 = 215217610671
BaseRepresentation
bin11100010110000101…
…001001111101011110
32220120002020102211002
4130112011021331132
5444312404040332
621552020230302
72125133053511
oct342605117536
986502212732
1030435221342
11119a8986299
125a9483b392
132b405b9116
14168a17ad78
15bd1e48562
hex716149f5e

30435221342 has 4 divisors (see below), whose sum is σ = 45652832016. Its totient is φ = 15217610670.

The previous prime is 30435221321. The next prime is 30435221381. The reversal of 30435221342 is 24312253403.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24312253403 = 31377674931.

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 as a sum of consecutive naturals, namely, 7608805334 + ... + 7608805337.

It is an arithmetic number, because the mean of its divisors is an integer number (11413208004).

Almost surely, 230435221342 is an apocalyptic number.

30435221342 is a deficient number, since it is larger than the sum of its proper divisors (15217610674).

30435221342 is a wasteful number, since it uses less digits than its factorization.

30435221342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15217610673.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 30435221342 its reverse (24312253403), we get a palindrome (54747474745).

The spelling of 30435221342 in words is "thirty billion, four hundred thirty-five million, two hundred twenty-one thousand, three hundred forty-two".

Divisors: 1 2 15217610671 30435221342