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6431242001 = 17411992233
BaseRepresentation
bin1011111110101010…
…01111011100010001
3121121012111221111012
411333111033130101
5101132344221001
62542055500305
7315241440452
oct57725173421
917535457435
106431242001
1128002a5338
1212b5987695
137b6528752
144501c7129
1527991d2bb
hex17f54f711

6431242001 has 24 divisors (see below), whose sum is σ = 7040956104. Its totient is φ = 5850408960.

The previous prime is 6431241931. The next prime is 6431242003. The reversal of 6431242001 is 1002421346.

It can be written as a sum of positive squares in 4 ways, for example, as 63361600 + 6367880401 = 7960^2 + 79799^2 .

It is not a de Polignac number, because 6431242001 - 218 = 6430979857 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 (6431242003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27601781 + ... + 27602013.

It is an arithmetic number, because the mean of its divisors is an integer number (293373171).

Almost surely, 26431242001 is an apocalyptic number.

It is an amenable number.

6431242001 is a deficient number, since it is larger than the sum of its proper divisors (609714103).

6431242001 is a wasteful number, since it uses less digits than its factorization.

6431242001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 6431242001 is about 80195.0247895716. The cubic root of 6431242001 is about 1859.6517250755.

Adding to 6431242001 its reverse (1002421346), we get a palindrome (7433663347).

The spelling of 6431242001 in words is "six billion, four hundred thirty-one million, two hundred forty-two thousand, one".

Divisors: 1 17 41 199 233 697 3383 3961 8159 9553 39601 46367 138703 162401 673217 788239 1623641 1901047 9227033 27601897 32317799 156859561 378308353 6431242001