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434444142431 = 1322570675399
BaseRepresentation
bin1100101001001101110…
…00111000011101011111
31112112101011022002200202
412110212320320131133
524104220200024211
6531325245414115
743246634165225
oct6244670703537
91475334262622
10434444142431
11158279435412
127024656a33b
1331c77650600
1417054936b15
15b47a77a53b
hex6526e3875f

434444142431 has 6 divisors (see below), whose sum is σ = 470433598200. Its totient is φ = 401025362088.

The previous prime is 434444142409. The next prime is 434444142449. The reversal of 434444142431 is 134241444434.

It is not a de Polignac number, because 434444142431 - 210 = 434444141407 is a prime.

It is a super-2 number, since 2×4344441424312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434444142031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1285337531 + ... + 1285337868.

It is an arithmetic number, because the mean of its divisors is an integer number (78405599700).

Almost surely, 2434444142431 is an apocalyptic number.

434444142431 is a deficient number, since it is larger than the sum of its proper divisors (35989455769).

434444142431 is a wasteful number, since it uses less digits than its factorization.

434444142431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570675425 (or 2570675412 counting only the distinct ones).

The product of its digits is 294912, while the sum is 38.

Adding to 434444142431 its reverse (134241444434), we get a palindrome (568685586865).

The spelling of 434444142431 in words is "four hundred thirty-four billion, four hundred forty-four million, one hundred forty-two thousand, four hundred thirty-one".

Divisors: 1 13 169 2570675399 33418780187 434444142431