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420231323201 = 4771431292183
BaseRepresentation
bin1100001110101111011…
…11010001111001000001
31111011200122101002000112
412013113233101321001
523341113204320301
6521015051401105
742234503211404
oct6072757217101
91434618332015
10420231323201
11152245698a18
126953a753195
1330820c195c1
14164a70a1d3b
15ade7b099bb
hex61d7bd1e41

420231323201 has 16 divisors (see below), whose sum is σ = 436228374528. Its totient is φ = 404555197200.

The previous prime is 420231323111. The next prime is 420231323203. The reversal of 420231323201 is 102323132024.

It is a cyclic number.

It is not a de Polignac number, because 420231323201 - 222 = 420227128897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (420231323203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292156 + ... + 1584338.

It is an arithmetic number, because the mean of its divisors is an integer number (27264273408).

Almost surely, 2420231323201 is an apocalyptic number.

It is an amenable number.

420231323201 is a deficient number, since it is larger than the sum of its proper divisors (15997051327).

420231323201 is a wasteful number, since it uses less digits than its factorization.

420231323201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292732.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 420231323201 its reverse (102323132024), we get a palindrome (522554455225).

The spelling of 420231323201 in words is "four hundred twenty billion, two hundred thirty-one million, three hundred twenty-three thousand, two hundred one".

Divisors: 1 47 71 431 3337 20257 30601 292183 1438247 13732601 20744993 125930873 975014671 5918751031 8941091983 420231323201