Search a number
-
+
69910166249 = 7112206340009
BaseRepresentation
bin100000100011011111…
…0000111101011101001
320200110011022102010122
41001012332013223221
52121134000304444
652041041253025
75023303415450
oct1010676075351
9220404272118
1069910166249
1127715514700
1211670934175
1367919532a1
143552b0db97
151c427b84ee
hex1046f87ae9

69910166249 has 24 divisors (see below), whose sum is σ = 87865800960. Its totient is φ = 54447687360.

The previous prime is 69910166233. The next prime is 69910166267. The reversal of 69910166249 is 94266101996.

It is not a de Polignac number, because 69910166249 - 24 = 69910166233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69910166249.

It is not an unprimeable number, because it can be changed into a prime (69910166219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1727357 + ... + 1767365.

It is an arithmetic number, because the mean of its divisors is an integer number (3661075040).

Almost surely, 269910166249 is an apocalyptic number.

It is an amenable number.

69910166249 is a deficient number, since it is larger than the sum of its proper divisors (17955634711).

69910166249 is a wasteful number, since it uses less digits than its factorization.

69910166249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42101 (or 42090 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 69910166249 in words is "sixty-nine billion, nine hundred ten million, one hundred sixty-six thousand, two hundred forty-nine".

Divisors: 1 7 11 77 121 847 2063 14441 22693 40009 158851 249623 280063 440099 1747361 3080693 4841089 33887623 82538567 577769969 907924237 6355469659 9987166607 69910166249