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66053268442 = 2719543241421
BaseRepresentation
bin111101100001000101…
…001110001111011010
320022111100212200222201
4331201011032033122
52040234114042232
650202222440414
74525601342440
oct754105161732
9208440780881
1066053268442
1126016391257
121097513310a
1362c8886c35
1432a87aab90
151ab8dadbe7
hexf6114e3da

66053268442 has 16 divisors (see below), whose sum is σ = 113240437632. Its totient is φ = 28306977840.

The previous prime is 66053268439. The next prime is 66053268461. The reversal of 66053268442 is 24486235066.

It is a junction number, because it is equal to n+sod(n) for n = 66053268392 and 66053268401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152892 + ... + 394312.

It is an arithmetic number, because the mean of its divisors is an integer number (7077527352).

Almost surely, 266053268442 is an apocalyptic number.

66053268442 is a deficient number, since it is larger than the sum of its proper divisors (47187169190).

66053268442 is a wasteful number, since it uses less digits than its factorization.

66053268442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260973.

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 66053268442 in words is "sixty-six billion, fifty-three million, two hundred sixty-eight thousand, four hundred forty-two".

Divisors: 1 2 7 14 19543 39086 136801 241421 273602 482842 1689947 3379894 4718090603 9436181206 33026634221 66053268442