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4021430342431 = 192333132777651
BaseRepresentation
bin111010100001001111111…
…011010101001100011111
3112020110000101122220010111
4322201033323111030133
51011341342131424211
612315230344350451
7563352535625425
oct72411773251437
915213011586114
104021430342431
11131052a654077
1254b468a75427
132322b0916928
14dc8d1595115
156e9175b1421
hex3a84fed531f

4021430342431 has 16 divisors (see below), whose sum is σ = 4418466589440. Its totient is φ = 3643032412800.

The previous prime is 4021430342407. The next prime is 4021430342513. The reversal of 4021430342431 is 1342430341204.

It is not a de Polignac number, because 4021430342431 - 29 = 4021430341919 is a prime.

It is a super-2 number, since 2×40214303424312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4021430342393 and 4021430342402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021430342131) 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, 58956 + ... + 2836606.

It is an arithmetic number, because the mean of its divisors is an integer number (276154161840).

Almost surely, 24021430342431 is an apocalyptic number.

4021430342431 is a deficient number, since it is larger than the sum of its proper divisors (397036247009).

4021430342431 is a wasteful number, since it uses less digits than its factorization.

4021430342431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781006.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 4021430342431 its reverse (1342430341204), we get a palindrome (5363860683635).

The spelling of 4021430342431 in words is "four trillion, twenty-one billion, four hundred thirty million, three hundred forty-two thousand, four hundred thirty-one".

Divisors: 1 19 23 437 3313 62947 76199 1447781 2777651 52775369 63885973 1213833487 9202357763 174844797497 211654228549 4021430342431