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57683680771 = 611317218581
BaseRepresentation
bin110101101110001101…
…110001111000000011
312111220002000121010011
4311232031301320003
51421114010241041
642255521245351
74111312124263
oct655615617003
9174802017104
1057683680771
1122510a30152
12b21a193857
1355938c00b2
142b12db77a3
15177920ae81
hexd6e371e03

57683680771 has 8 divisors (see below), whose sum is σ = 59076875088. Its totient is φ = 56304924000.

The previous prime is 57683680757. The next prime is 57683680787. The reversal of 57683680771 is 17708638675.

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

It is a cyclic number.

It is not a de Polignac number, because 57683680771 - 25 = 57683680739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57683680871) 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, 3601300 + ... + 3617281.

It is an arithmetic number, because the mean of its divisors is an integer number (7384609386).

Almost surely, 257683680771 is an apocalyptic number.

57683680771 is a deficient number, since it is larger than the sum of its proper divisors (1393194317).

57683680771 is a wasteful number, since it uses less digits than its factorization.

57683680771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7218773.

The product of its (nonzero) digits is 11854080, while the sum is 58.

The spelling of 57683680771 in words is "fifty-seven billion, six hundred eighty-three million, six hundred eighty thousand, seven hundred seventy-one".

Divisors: 1 61 131 7991 7218581 440333441 945634111 57683680771