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29978924348 = 2229622141543
BaseRepresentation
bin11011111010111000…
…100001010100111100
32212101021122011000102
4123322320201110330
5442344101034343
621434440220232
72110622436542
oct337270412474
985337564012
1029978924348
111179435963a
125987a6a678
132a99bc61b9
14164571dd92
15ba6d643b8
hex6fae2153c

29978924348 has 24 divisors (see below), whose sum is σ = 54282221280. Its totient is φ = 14469909440.

The previous prime is 29978924347. The next prime is 29978924351. The reversal of 29978924348 is 84342987992.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29978924347) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 700865 + ... + 742407.

It is an arithmetic number, because the mean of its divisors is an integer number (2261759220).

Almost surely, 229978924348 is an apocalyptic number.

It is an amenable number.

29978924348 is a deficient number, since it is larger than the sum of its proper divisors (24303296932).

29978924348 is a wasteful number, since it uses less digits than its factorization.

29978924348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47797 (or 47795 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 65.

The spelling of 29978924348 in words is "twenty-nine billion, nine hundred seventy-eight million, nine hundred twenty-four thousand, three hundred forty-eight".

Divisors: 1 2 4 29 58 116 6221 12442 24884 41543 83086 166172 180409 360818 721636 1204747 2409494 4818988 258439003 516878006 1033756012 7494731087 14989462174 29978924348