Search a number
-
+
69064617942 = 2323836923219
BaseRepresentation
bin100000001010010010…
…0100110111111010110
320121021020021002220200
41000110210212333112
52112421020233232
651421114241330
74663325365155
oct1002444467726
9217236232820
1069064617942
11273211a3751
1211475726246
136688713348
1434b26c959c
151be344577c
hex1014926fd6

69064617942 has 12 divisors (see below), whose sum is σ = 149640005580. Its totient is φ = 23021539308.

The previous prime is 69064617901. The next prime is 69064617943. The reversal of 69064617942 is 24971646096.

It is a happy number.

69064617942 is a `hidden beast` number, since 6 + 90 + 6 + 461 + 7 + 94 + 2 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69064617943) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1918461592 + ... + 1918461627.

It is an arithmetic number, because the mean of its divisors is an integer number (12470000465).

Almost surely, 269064617942 is an apocalyptic number.

69064617942 is an abundant number, since it is smaller than the sum of its proper divisors (80575387638).

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

69064617942 is a wasteful number, since it uses less digits than its factorization.

69064617942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3836923227 (or 3836923224 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 69064617942 in words is "sixty-nine billion, sixty-four million, six hundred seventeen thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 18 3836923219 7673846438 11510769657 23021539314 34532308971 69064617942