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29678107489 = 594703106957
BaseRepresentation
bin11011101000111100…
…111111101101100001
32211121022121001212021
4123220330333231201
5441240043414424
621344532501441
72100310515502
oct335074775541
984538531767
1029678107489
111164a577468
12590317a881
132a4c7a0664
1416177b6ba9
15b8a7434e4
hex6e8f3fb61

29678107489 has 8 divisors (see below), whose sum is σ = 30187825920. Its totient is φ = 29168612496.

The previous prime is 29678107471. The next prime is 29678107499. The reversal of 29678107489 is 98470187692.

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

It is a cyclic number.

It is not a de Polignac number, because 29678107489 - 227 = 29543889761 is a prime.

It is a super-3 number, since 3×296781074893 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29678107429) 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, 223999 + ... + 330955.

It is an arithmetic number, because the mean of its divisors is an integer number (3773478240).

Almost surely, 229678107489 is an apocalyptic number.

It is an amenable number.

29678107489 is a deficient number, since it is larger than the sum of its proper divisors (509718431).

29678107489 is a wasteful number, since it uses less digits than its factorization.

29678107489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111719.

The product of its (nonzero) digits is 12192768, while the sum is 61.

The spelling of 29678107489 in words is "twenty-nine billion, six hundred seventy-eight million, one hundred seven thousand, four hundred eighty-nine".

Divisors: 1 59 4703 106957 277477 6310463 503018771 29678107489