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424215143345 = 5721731490381
BaseRepresentation
bin1100010110001010011…
…00010110001110110001
31111112222021122002212202
412023011030112032301
523422243034041340
6522514242432545
742435306136400
oct6130514261661
91445867562782
10424215143345
111539aa430a64
126a270962755
1331007394626
1416764203637
15b07c735c15
hex62c53163b1

424215143345 has 12 divisors (see below), whose sum is σ = 592169710644. Its totient is φ = 290890383840.

The previous prime is 424215143323. The next prime is 424215143413. The reversal of 424215143345 is 543341512424.

It can be written as a sum of positive squares in 2 ways, for example, as 102027219889 + 322187923456 = 319417^2 + 567616^2 .

It is not a de Polignac number, because 424215143345 - 210 = 424215142321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424215143299 and 424215143308.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 865744946 + ... + 865745435.

It is an arithmetic number, because the mean of its divisors is an integer number (49347475887).

Almost surely, 2424215143345 is an apocalyptic number.

It is an amenable number.

424215143345 is a deficient number, since it is larger than the sum of its proper divisors (167954567299).

424215143345 is a wasteful number, since it uses less digits than its factorization.

424215143345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731490400 (or 1731490393 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

Adding to 424215143345 its reverse (543341512424), we get a palindrome (967556655769).

The spelling of 424215143345 in words is "four hundred twenty-four billion, two hundred fifteen million, one hundred forty-three thousand, three hundred forty-five".

Divisors: 1 5 7 35 49 245 1731490381 8657451905 12120432667 60602163335 84843028669 424215143345