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29430043807 = 215313669319
BaseRepresentation
bin11011011010001010…
…101101010010011111
32210222000211010110111
4123122022231102133
5440233042400212
621304151550451
72061206146663
oct333212552237
983860733414
1029430043807
111153254655a
12585408b427
132a10288408
1415d28828a3
15b73a92ea7
hex6da2ad49f

29430043807 has 4 divisors (see below), whose sum is σ = 29443715280. Its totient is φ = 29416372336.

The previous prime is 29430043801. The next prime is 29430043849. The reversal of 29430043807 is 70834003492.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29430043807 - 223 = 29421655199 is a prime.

It is a super-2 number, since 2×294300438072 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29430043807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29430043801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6832507 + ... + 6836812.

It is an arithmetic number, because the mean of its divisors is an integer number (7360928820).

Almost surely, 229430043807 is an apocalyptic number.

29430043807 is a deficient number, since it is larger than the sum of its proper divisors (13671473).

29430043807 is a wasteful number, since it uses less digits than its factorization.

29430043807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13671472.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 29430043807 in words is "twenty-nine billion, four hundred thirty million, forty-three thousand, eight hundred seven".

Divisors: 1 2153 13669319 29430043807