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57353854405 = 580273142897
BaseRepresentation
bin110101011010100011…
…100101110111000101
312111001002101200101211
4311122203211313011
51414430041320110
642203100051421
74100165501341
oct653243456705
9174032350354
1057353854405
1122361834781
12b147833b71
13554047b373
142ac127c621
15175a2a998a
hexd5a8e5dc5

57353854405 has 8 divisors (see below), whose sum is σ = 68825964312. Its totient is φ = 45882190848.

The previous prime is 57353854387. The next prime is 57353854409. The reversal of 57353854405 is 50445835375.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13139119876 + 44214734529 = 114626^2 + 210273^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57353854405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57353854409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329917 + ... + 472813.

It is an arithmetic number, because the mean of its divisors is an integer number (8603245539).

Almost surely, 257353854405 is an apocalyptic number.

It is an amenable number.

57353854405 is a deficient number, since it is larger than the sum of its proper divisors (11472109907).

57353854405 is a wasteful number, since it uses less digits than its factorization.

57353854405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223175.

The product of its (nonzero) digits is 5040000, while the sum is 49.

The spelling of 57353854405 in words is "fifty-seven billion, three hundred fifty-three million, eight hundred fifty-four thousand, four hundred five".

Divisors: 1 5 80273 142897 401365 714485 11470770881 57353854405