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57331398062500 = 22563129772
BaseRepresentation
bin11010000100100100000011…
…00111011011000110100100
321111222211100201001002211221
431002102001213123012210
530003304200401000000
6321533403005310124
715035025326635552
oct1502220147330644
9244884321032757
1057331398062500
11172a4122641811
12651b261265344
1325cb434a92bc3
141022bd6956bd2
156964c425761a
hex3424819db1a4

57331398062500 has 189 divisors, whose sum is σ = 129719612165367. Its totient is φ = 22170084000000.

The previous prime is 57331398062483. The next prime is 57331398062507. The reversal of 57331398062500 is 526089313375.

The square root of 57331398062500 is 7571750.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 10 ways, for example, as 56724606917476 + 606791145024 = 7531574^2 + 778968^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57331398062507) 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 62 ways as a sum of consecutive naturals, for example, 58681062012 + ... + 58681062988.

Almost surely, 257331398062500 is an apocalyptic number.

57331398062500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57331398062500 is the 7571750-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57331398062500

57331398062500 is an abundant number, since it is smaller than the sum of its proper divisors (72388214102867).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57331398062500 is an frugal number, since it uses more digits than its factorization.

57331398062500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 57331398062500 in words is "fifty-seven trillion, three hundred thirty-one billion, three hundred ninety-eight million, sixty-two thousand, five hundred".