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232111330421 = 1813709345749
BaseRepresentation
bin1101100000101011101…
…0011101010001110101
3211012010020102021201112
43120022322131101311
512300331000033141
6254344103204405
722524635520065
oct3301272352165
9735106367645
10232111330421
118a48a882003
1238b99746705
1318b70c3b3c9
14b33cac53a5
1560876027eb
hex360ae9d475

232111330421 has 8 divisors (see below), whose sum is σ = 233457315000. Its totient is φ = 230766045120.

The previous prime is 232111330403. The next prime is 232111330433. The reversal of 232111330421 is 124033111232.

It can be written as a sum of positive squares in 4 ways, for example, as 28449568900 + 203661761521 = 168670^2 + 451289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-232111330421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232111330481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498455 + ... + 844203.

It is an arithmetic number, because the mean of its divisors is an integer number (29182164375).

Almost surely, 2232111330421 is an apocalyptic number.

It is an amenable number.

232111330421 is a deficient number, since it is larger than the sum of its proper divisors (1345984579).

232111330421 is a wasteful number, since it uses less digits than its factorization.

232111330421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349639.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 232111330421 its reverse (124033111232), we get a palindrome (356144441653).

The spelling of 232111330421 in words is "two hundred thirty-two billion, one hundred eleven million, three hundred thirty thousand, four hundred twenty-one".

Divisors: 1 181 3709 345749 671329 62580569 1282383041 232111330421