Search a number
-
+
230633227778 = 23395832
BaseRepresentation
bin1101011011001011001…
…1111100011000000010
3211001022020002220002012
43112302303330120002
512234314101242103
6253541302252522
722443210042662
oct3266263743002
9731266086065
10230633227778
11898a1498678
1238846727142
1318996945065
14b23c6821a2
155eec9812d8
hex35b2cfc602

230633227778 has 6 divisors (see below), whose sum is σ = 345950860419. Its totient is φ = 115316274306.

The previous prime is 230633227777. The next prime is 230633227801. The reversal of 230633227778 is 877722336032.

230633227778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 115316613889 + 115316613889 = 339583^2 + 339583^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=339583.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230633227777) 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 2 ways as a sum of consecutive naturals, for example, 509375 + ... + 848957.

Almost surely, 2230633227778 is an apocalyptic number.

230633227778 is a deficient number, since it is larger than the sum of its proper divisors (115317632641).

230633227778 is an frugal number, since it uses more digits than its factorization.

230633227778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679168 (or 339585 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 50.

Multiplying 230633227778 by its sum of digits (50), we get a square (11531661388900 = 33958302).

The spelling of 230633227778 in words is "two hundred thirty billion, six hundred thirty-three million, two hundred twenty-seven thousand, seven hundred seventy-eight".

Divisors: 1 2 339583 679166 115316613889 230633227778