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57485219450 = 2526717159767
BaseRepresentation
bin110101100010011000…
…101101011001111010
312111101020120201100212
4311202120231121322
51420212204010300
642224111431122
74103352205661
oct654230553172
9174336521325
1057485219450
11224199a922a
12b1838254a2
135561754269
142ad48b5dd8
151766aa7935
hexd6262d67a

57485219450 has 24 divisors (see below), whose sum is σ = 108518372832. Its totient is φ = 22650891120.

The previous prime is 57485219417. The next prime is 57485219453. The reversal of 57485219450 is 5491258475.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (57485219453) 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 11 ways as a sum of consecutive naturals, for example, 8576534 + ... + 8583233.

It is an arithmetic number, because the mean of its divisors is an integer number (4521598868).

Almost surely, 257485219450 is an apocalyptic number.

57485219450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57485219450 is a deficient number, since it is larger than the sum of its proper divisors (51033153382).

57485219450 is a wasteful number, since it uses less digits than its factorization.

57485219450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17159846 (or 17159841 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 50.

The spelling of 57485219450 in words is "fifty-seven billion, four hundred eighty-five million, two hundred nineteen thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 67 134 335 670 1675 3350 17159767 34319534 85798835 171597670 428994175 857988350 1149704389 2299408778 5748521945 11497043890 28742609725 57485219450