Search a number
-
+
29057822639 = 231863767789
BaseRepresentation
bin11011000011111110…
…110010111110101111
32210000002102100000022
4123003332302332233
5434002300311024
621203213552355
72046036263036
oct330376627657
983002370008
1029057822639
111136142425a
12576b4a56bb
132981121ac1
14159926d71d
15b5106a35e
hex6c3fb2faf

29057822639 has 8 divisors (see below), whose sum is σ = 30323280480. Its totient is φ = 27792537696.

The previous prime is 29057822623. The next prime is 29057822659. The reversal of 29057822639 is 93622875092.

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 29057822639 - 24 = 29057822623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29057822659) 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, 394757 + ... + 462545.

It is an arithmetic number, because the mean of its divisors is an integer number (3790410060).

Almost surely, 229057822639 is an apocalyptic number.

29057822639 is a deficient number, since it is larger than the sum of its proper divisors (1265457841).

29057822639 is a wasteful number, since it uses less digits than its factorization.

29057822639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86449.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 29057822639 in words is "twenty-nine billion, fifty-seven million, eight hundred twenty-two thousand, six hundred thirty-nine".

Divisors: 1 23 18637 67789 428651 1559147 1263383593 29057822639