Search a number
-
+
232080774912 = 283473779547
BaseRepresentation
bin1101100000100100010…
…1111001011100000000
3211012001002220220110000
43120021011321130000
512300300134244122
6254341052240000
722524115016010
oct3301105713400
9735032826400
10232080774912
118a474602218
1238b8b470000
1318b6780061c
14b338a0dc40
156084ab90ac
hex3609179700

232080774912 has 720 divisors, whose sum is σ = 824043996160. Its totient is φ = 63583543296.

The previous prime is 232080774901. The next prime is 232080774917. The reversal of 232080774912 is 219477080232.

It is a super-2 number, since 2×2320807749122 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232080774917) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 424279023 + ... + 424279569.

Almost surely, 2232080774912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232080774912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412021998080).

232080774912 is an abundant number, since it is smaller than the sum of its proper divisors (591963221248).

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

232080774912 is an equidigital number, since it uses as much as digits as its factorization.

232080774912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 232080774912 in words is "two hundred thirty-two billion, eighty million, seven hundred seventy-four thousand, nine hundred twelve".