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232444420321 = 1923449186689
BaseRepresentation
bin1101100001111011000…
…1000110000011100001
3211012222110012000011111
43120132301012003201
512302021232422241
6254441122343321
722536121654501
oct3303661060341
9735873160144
10232444420321
118a6408a7413
12390711bab41
1318bc4c53719
14b37102da01
1560a699ac81
hex361ec460e1

232444420321 has 12 divisors (see below), whose sum is σ = 245394670500. Its totient is φ = 220145476608.

The previous prime is 232444420319. The next prime is 232444420357. The reversal of 232444420321 is 123024444232.

It can be written as a sum of positive squares in 2 ways, for example, as 25892349921 + 206552070400 = 160911^2 + 454480^2 .

It is not a de Polignac number, because 232444420321 - 21 = 232444420319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232444420301) 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 11 ways as a sum of consecutive naturals, for example, 1151745 + ... + 1338433.

It is an arithmetic number, because the mean of its divisors is an integer number (20449555875).

Almost surely, 2232444420321 is an apocalyptic number.

It is an amenable number.

232444420321 is a deficient number, since it is larger than the sum of its proper divisors (12950250179).

232444420321 is a wasteful number, since it uses less digits than its factorization.

232444420321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190176 (or 190157 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 232444420321 its reverse (123024444232), we get a palindrome (355468864553).

The spelling of 232444420321 in words is "two hundred thirty-two billion, four hundred forty-four million, four hundred twenty thousand, three hundred twenty-one".

Divisors: 1 19 361 3449 65531 186689 1245089 3547091 67394729 643890361 12233916859 232444420321