Search a number
-
+
1229761068 = 223102480089
BaseRepresentation
bin100100101001100…
…1010101000101100
310011201000100001020
41021103022220230
510004304323233
6322010014140
742321540144
oct11123125054
93151010036
101229761068
11581193768
122a3a17350
13167a14793
14b9479924
1572e689b3
hex494caa2c

1229761068 has 12 divisors (see below), whose sum is σ = 2869442520. Its totient is φ = 409920352.

The previous prime is 1229761051. The next prime is 1229761087. The reversal of 1229761068 is 8601679221.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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, 51240033 + ... + 51240056.

It is an arithmetic number, because the mean of its divisors is an integer number (239120210).

Almost surely, 21229761068 is an apocalyptic number.

It is an amenable number.

1229761068 is an abundant number, since it is smaller than the sum of its proper divisors (1639681452).

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

1229761068 is a wasteful number, since it uses less digits than its factorization.

1229761068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102480096 (or 102480094 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 1229761068 is about 35067.9492984691. The cubic root of 1229761068 is about 1071.3718880692.

The spelling of 1229761068 in words is "one billion, two hundred twenty-nine million, seven hundred sixty-one thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 102480089 204960178 307440267 409920356 614880534 1229761068