Search a number
-
+
288889001369 = 392973527361
BaseRepresentation
bin1000011010000110010…
…00000101010110011001
31000121200011121211000022
410031003020011112121
514213121041020434
6340414101520225
726604636665333
oct4150310052631
91017604554008
10288889001369
11101576345601
1247ba4413075
132131bc0c4c7
14dda761a453
1577abee622e
hex4343205599

288889001369 has 4 divisors (see below), whose sum is σ = 288962532660. Its totient is φ = 288815470080.

The previous prime is 288889001353. The next prime is 288889001381. The reversal of 288889001369 is 963100988882.

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

It can be written as a sum of positive squares in 2 ways, for example, as 113003545600 + 175885455769 = 336160^2 + 419387^2 .

It is a cyclic number.

It is not a de Polignac number, because 288889001369 - 24 = 288889001353 is a prime.

It is a super-2 number, since 2×2888890013692 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288889001389) 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, 36759752 + ... + 36767609.

It is an arithmetic number, because the mean of its divisors is an integer number (72240633165).

Almost surely, 2288889001369 is an apocalyptic number.

It is an amenable number.

288889001369 is a deficient number, since it is larger than the sum of its proper divisors (73531291).

288889001369 is an equidigital number, since it uses as much as digits as its factorization.

288889001369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73531290.

The product of its (nonzero) digits is 11943936, while the sum is 62.

The spelling of 288889001369 in words is "two hundred eighty-eight billion, eight hundred eighty-nine million, one thousand, three hundred sixty-nine".

Divisors: 1 3929 73527361 288889001369