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340143224561 = 729257778703
BaseRepresentation
bin1001111001100100001…
…11011011011011110001
31012111222011111010101222
410330302013123123301
521033103131141221
6420132025434425
733401031463430
oct4746207333361
91174864433358
10340143224561
11121287a8a048
1255b0933ba15
13260c977a11a
141266a753117
158caba379ab
hex4f321db6f1

340143224561 has 12 divisors (see below), whose sum is σ = 402602009472. Its totient is φ = 281497836144.

The previous prime is 340143224549. The next prime is 340143224621. The reversal of 340143224561 is 165422341043.

It is not a de Polignac number, because 340143224561 - 230 = 339069482737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340143226561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28883465 + ... + 28895238.

It is an arithmetic number, because the mean of its divisors is an integer number (33550167456).

Almost surely, 2340143224561 is an apocalyptic number.

It is an amenable number.

340143224561 is a deficient number, since it is larger than the sum of its proper divisors (62458784911).

340143224561 is an equidigital number, since it uses as much as digits as its factorization.

340143224561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57778768 (or 57778739 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 340143224561 in words is "three hundred forty billion, one hundred forty-three million, two hundred twenty-four thousand, five hundred sixty-one".

Divisors: 1 7 29 203 841 5887 57778703 404450921 1675582387 11729076709 48591889223 340143224561