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420712335441 = 3246745815049
BaseRepresentation
bin1100001111101000110…
…10001100100001010001
31111012221011111000202200
412013310122030201101
523343104324213231
6521134513233413
742252433563426
oct6076432144121
91435834430680
10420712335441
111524721665a2
1269653862869
1330899783c28
1416510d13d4d
15ae24e71be6
hex61f468c851

420712335441 has 6 divisors (see below), whose sum is σ = 607695595650. Its totient is φ = 280474890288.

The previous prime is 420712335437. The next prime is 420712335451. The reversal of 420712335441 is 144533217024.

420712335441 is a `hidden beast` number, since 4 + 20 + 71 + 23 + 3 + 544 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 403473958416 + 17238377025 = 635196^2 + 131295^2 .

It is not a de Polignac number, because 420712335441 - 22 = 420712335437 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 420712335396 and 420712335405.

It is not an unprimeable number, because it can be changed into a prime (420712335451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23372907516 + ... + 23372907533.

It is an arithmetic number, because the mean of its divisors is an integer number (101282599275).

Almost surely, 2420712335441 is an apocalyptic number.

It is an amenable number.

420712335441 is a deficient number, since it is larger than the sum of its proper divisors (186983260209).

420712335441 is a wasteful number, since it uses less digits than its factorization.

420712335441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46745815055 (or 46745815052 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 420712335441 in words is "four hundred twenty billion, seven hundred twelve million, three hundred thirty-five thousand, four hundred forty-one".

Divisors: 1 3 9 46745815049 140237445147 420712335441