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426507212061 = 327171621245671
BaseRepresentation
bin1100011010011011100…
…11111001010100011101
31111202220000120021001200
412031031303321110131
523441441321241221
6523533521430113
742546150325440
oct6151563712435
91452800507050
10426507212061
11154976225127
126a7b049b339
13312b11c06c8
14169007a9657
15b163a8c426
hex634dcf951d

426507212061 has 48 divisors (see below), whose sum is σ = 745954530048. Its totient is φ = 229239590400.

The previous prime is 426507212059. The next prime is 426507212083. The reversal of 426507212061 is 160212705624.

It is a happy number.

426507212061 is a `hidden beast` number, since 4 + 26 + 507 + 2 + 120 + 6 + 1 = 666.

It is not a de Polignac number, because 426507212061 - 21 = 426507212059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426507212861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1613256 + ... + 1858926.

It is an arithmetic number, because the mean of its divisors is an integer number (15540719376).

Almost surely, 2426507212061 is an apocalyptic number.

It is an amenable number.

426507212061 is a deficient number, since it is larger than the sum of its proper divisors (319447317987).

426507212061 is a wasteful number, since it uses less digits than its factorization.

426507212061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247322 (or 247319 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Adding to 426507212061 its reverse (160212705624), we get a palindrome (586719917685).

The spelling of 426507212061 in words is "four hundred twenty-six billion, five hundred seven million, two hundred twelve thousand, sixty-one".

Divisors: 1 3 7 9 17 21 51 63 119 153 357 1071 1621 4863 11347 14589 27557 34041 82671 102123 192899 245671 248013 578697 737013 1719697 1736091 2211039 4176407 5159091 12529221 15477273 29234849 37587663 87704547 263113641 398232691 1194698073 2787628837 3584094219 6769955747 8362886511 20309867241 25088659533 47389690229 60929601723 142169070687 426507212061