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47020791122 = 2107214332
BaseRepresentation
bin101011110010101010…
…000101010101010010
311111100221220200100022
4223302222011111102
51232244310303442
633333454423442
73253135062404
oct536252052522
9144327820308
1047020791122
1118a3a013358
129143201b82
134584787a36
1423c0bbab74
15135305b3d2
hexaf2a85552

47020791122 has 18 divisors (see below), whose sum is σ = 71246235333. Its totient is φ = 23274419152.

The previous prime is 47020791121. The next prime is 47020791131. The reversal of 47020791122 is 22119702074.

It can be written as a sum of positive squares in 2 ways, for example, as 41200474441 + 5820316681 = 202979^2 + 76291^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=153331.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47020791121) 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 8 ways as a sum of consecutive naturals, for example, 32812118 + ... + 32813550.

Almost surely, 247020791122 is an apocalyptic number.

47020791122 is a deficient number, since it is larger than the sum of its proper divisors (24225444211).

47020791122 is an frugal number, since it uses more digits than its factorization.

47020791122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082 (or 1542 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

Multiplying 47020791122 by its product of nonzero digits (14112), we get a square (663557404313664 = 257596082).

The spelling of 47020791122 in words is "forty-seven billion, twenty million, seven hundred ninety-one thousand, one hundred twenty-two".

Divisors: 1 2 107 214 1433 2866 11449 22898 153331 306662 2053489 4106978 16406417 32812834 219723323 439446646 23510395561 47020791122