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2989290247287 = 35318800567593
BaseRepresentation
bin101011011111111111100…
…101010101010001110111
3101120202212202222110122020
4223133333211111101313
5342434031300403122
610205132212204223
7425653253601201
oct53377745252167
911522782873566
102989290247287
11a52829460a83
12403417309673
13188b72a9a216
14a497a7bb771
1552b593d8c5c
hex2b7ff955477

2989290247287 has 8 divisors (see below), whose sum is σ = 4060922600304. Its totient is φ = 1955259029568.

The previous prime is 2989290247193. The next prime is 2989290247303. The reversal of 2989290247287 is 7827420929892.

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

It is not a de Polignac number, because 2989290247287 - 235 = 2954930508919 is a prime.

It is a super-2 number, since 2×29892902472872 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989290249287) 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, 9400283638 + ... + 9400283955.

It is an arithmetic number, because the mean of its divisors is an integer number (507615325038).

Almost surely, 22989290247287 is an apocalyptic number.

2989290247287 is a deficient number, since it is larger than the sum of its proper divisors (1071632353017).

2989290247287 is a wasteful number, since it uses less digits than its factorization.

2989290247287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18800567649.

The product of its (nonzero) digits is 146313216, while the sum is 69.

The spelling of 2989290247287 in words is "two trillion, nine hundred eighty-nine billion, two hundred ninety million, two hundred forty-seven thousand, two hundred eighty-seven".

Divisors: 1 3 53 159 18800567593 56401702779 996430082429 2989290247287