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2064557072 = 24257502081
BaseRepresentation
bin111101100001110…
…1010010000010000
312022212211100212202
41323003222100100
513212011311242
6540510342332
7102106305554
oct17303522020
95285740782
102064557072
1196a430316
124974ba9a8
1326b95b606
141582a1864
15c13b5932
hex7b0ea410

2064557072 has 20 divisors (see below), whose sum is σ = 4015651836. Its totient is φ = 1028259840.

The previous prime is 2064557069. The next prime is 2064557083. The reversal of 2064557072 is 2707554602.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1852097296 + 212459776 = 43036^2 + 14576^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246929 + ... + 255152.

Almost surely, 22064557072 is an apocalyptic number.

It is an amenable number.

2064557072 is a deficient number, since it is larger than the sum of its proper divisors (1951094764).

2064557072 is a wasteful number, since it uses less digits than its factorization.

2064557072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502346 (or 502340 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 2064557072 is about 45437.3972846157. The cubic root of 2064557072 is about 1273.3338887516. Note that the first 3 decimals are identical.

The spelling of 2064557072 in words is "two billion, sixty-four million, five hundred fifty-seven thousand, seventy-two".

Divisors: 1 2 4 8 16 257 514 1028 2056 4112 502081 1004162 2008324 4016648 8033296 129034817 258069634 516139268 1032278536 2064557072