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426779311601 = 1734215859697
BaseRepresentation
bin1100011010111100000…
…01110111110111110001
31111210120222120100110102
412031132001313313301
523443021000432401
6524020521442145
742555663202526
oct6153601676761
91453528510412
10426779311601
11154aa5882585
126a867640355
13313256a0056
141692899914d
15b17c8d956b
hex635e077df1

426779311601 has 8 divisors (see below), whose sum is σ = 430265904744. Its totient is φ = 423304439040.

The previous prime is 426779311597. The next prime is 426779311619. The reversal of 426779311601 is 106113977624.

It can be written as a sum of positive squares in 4 ways, for example, as 43098175201 + 383681136400 = 207601^2 + 619420^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 426779311601 - 22 = 426779311597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426779311201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2857016 + ... + 3002681.

It is an arithmetic number, because the mean of its divisors is an integer number (53783238093).

Almost surely, 2426779311601 is an apocalyptic number.

It is an amenable number.

426779311601 is a deficient number, since it is larger than the sum of its proper divisors (3486593143).

426779311601 is a wasteful number, since it uses less digits than its factorization.

426779311601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5860291.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 426779311601 in words is "four hundred twenty-six billion, seven hundred seventy-nine million, three hundred eleven thousand, six hundred one".

Divisors: 1 173 421 72833 5859697 1013727581 2466932437 426779311601