Search a number
-
+
29706265686 = 2313033799727
BaseRepresentation
bin11011101010101000…
…011010010001010110
32211200021120122122110
4123222220122101112
5441314301000221
621351420211450
72101102043406
oct335250322126
984607518573
1029706265686
111166445a0a9
125910699b86
132a5557c206
14161b426806
15b8ce56776
hex6eaa1a456

29706265686 has 16 divisors (see below), whose sum is σ = 59458143744. Its totient is φ = 9894486504.

The previous prime is 29706265669. The next prime is 29706265723. The reversal of 29706265686 is 68656260792.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1892046 + ... + 1907681.

It is an arithmetic number, because the mean of its divisors is an integer number (3716133984).

Almost surely, 229706265686 is an apocalyptic number.

29706265686 is an abundant number, since it is smaller than the sum of its proper divisors (29751878058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29706265686 is a wasteful number, since it uses less digits than its factorization.

29706265686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801035.

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 29706265686 in words is "twenty-nine billion, seven hundred six million, two hundred sixty-five thousand, six hundred eighty-six".

Divisors: 1 2 3 6 1303 2606 3909 7818 3799727 7599454 11399181 22798362 4951044281 9902088562 14853132843 29706265686