Search a number
-
+
1216470076 = 222910486811
BaseRepresentation
bin100100010000001…
…1101110000111100
310010210000002020021
41020200131300330
54442404020301
6320413101524
742100552663
oct11040356074
93123002207
101216470076
11574735a78
1229b4878a4
1316503cca3
14b77b9dda
1571be08a1
hex4881dc3c

1216470076 has 12 divisors (see below), whose sum is σ = 2202230520. Its totient is φ = 587261360.

The previous prime is 1216470011. The next prime is 1216470077. The reversal of 1216470076 is 6700746121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1216470077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5243290 + ... + 5243521.

It is an arithmetic number, because the mean of its divisors is an integer number (183519210).

Almost surely, 21216470076 is an apocalyptic number.

It is an amenable number.

1216470076 is a deficient number, since it is larger than the sum of its proper divisors (985760444).

1216470076 is a wasteful number, since it uses less digits than its factorization.

1216470076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10486844 (or 10486842 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 1216470076 is about 34877.9310739614. The cubic root of 1216470076 is about 1067.4981803193.

The spelling of 1216470076 in words is "one billion, two hundred sixteen million, four hundred seventy thousand, seventy-six".

Divisors: 1 2 4 29 58 116 10486811 20973622 41947244 304117519 608235038 1216470076