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57073433665 = 543265457831
BaseRepresentation
bin110101001001110101…
…110111110001000001
312110022112201211110111
4311021311313301001
51413341244334130
642115201431321
74060222116223
oct651165676101
9173275654414
1057073433665
11222285134a6
12b08993b541
1354c7347331
142a95d24413
15174086702a
hexd49d77c41

57073433665 has 8 divisors (see below), whose sum is σ = 70080867648. Its totient is φ = 44596915440.

The previous prime is 57073433663. The next prime is 57073433701. The reversal of 57073433665 is 56633437075.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57073433665 - 21 = 57073433663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57073433663) by changing a digit.

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, 132728701 + ... + 132729130.

It is an arithmetic number, because the mean of its divisors is an integer number (8760108456).

Almost surely, 257073433665 is an apocalyptic number.

It is an amenable number.

57073433665 is a deficient number, since it is larger than the sum of its proper divisors (13007433983).

57073433665 is a wasteful number, since it uses less digits than its factorization.

57073433665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265457879.

The product of its (nonzero) digits is 4762800, while the sum is 49.

The spelling of 57073433665 in words is "fifty-seven billion, seventy-three million, four hundred thirty-three thousand, six hundred sixty-five".

Divisors: 1 5 43 215 265457831 1327289155 11414686733 57073433665