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29730273249 = 383531186411
BaseRepresentation
bin11011101100000011…
…111111011111100001
32211201221202100211110
4123230003333133201
5441341422220444
621354034533533
72101513103325
oct335403773741
984657670743
1029730273249
1111676a67366
1259187372a9
132a5a536781
1416206b5985
15b900e9cb9
hex6ec0ff7e1

29730273249 has 8 divisors (see below), whose sum is σ = 39645143392. Its totient is φ = 19817792640.

The previous prime is 29730273239. The next prime is 29730273299. The reversal of 29730273249 is 94237203792.

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

It is a de Polignac number, because none of the positive numbers 2k-29730273249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29730273198 and 29730273207.

It is not an unprimeable number, because it can be changed into a prime (29730273239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568147 + ... + 618264.

It is an arithmetic number, because the mean of its divisors is an integer number (4955642924).

Almost surely, 229730273249 is an apocalyptic number.

It is an amenable number.

29730273249 is a deficient number, since it is larger than the sum of its proper divisors (9914870143).

29730273249 is a wasteful number, since it uses less digits than its factorization.

29730273249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194767.

The product of its (nonzero) digits is 1143072, while the sum is 48.

The spelling of 29730273249 in words is "twenty-nine billion, seven hundred thirty million, two hundred seventy-three thousand, two hundred forty-nine".

Divisors: 1 3 8353 25059 1186411 3559233 9910091083 29730273249