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57480227873 = 891019633803
BaseRepresentation
bin110101100010000101…
…101010110000100001
312111100220012010012122
4311202011222300201
51420204414242443
642223412434025
74103261606165
oct654205526041
9174326163178
1057480227873
11224170a9a62
12b182018915
1355606c7273
142ad3d76ca5
15176641d968
hexd6216ac21

57480227873 has 8 divisors (see below), whose sum is σ = 58183207200. Its totient is φ = 56778518368.

The previous prime is 57480227821. The next prime is 57480227891. The reversal of 57480227873 is 37872208475.

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 57480227873 - 28 = 57480227617 is a prime.

It is a super-2 number, since 2×574802278732 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57480247873) 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, 226211 + ... + 407592.

It is an arithmetic number, because the mean of its divisors is an integer number (7272900900).

Almost surely, 257480227873 is an apocalyptic number.

It is an amenable number.

57480227873 is a deficient number, since it is larger than the sum of its proper divisors (702979327).

57480227873 is a wasteful number, since it uses less digits than its factorization.

57480227873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634911.

The product of its (nonzero) digits is 5268480, while the sum is 53.

The spelling of 57480227873 in words is "fifty-seven billion, four hundred eighty million, two hundred twenty-seven thousand, eight hundred seventy-three".

Divisors: 1 89 1019 90691 633803 56408467 645845257 57480227873