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57082209408 = 2733717138797
BaseRepresentation
bin110101001010010111…
…010110010010000000
312110100011020200112000
4311022113112102000
51413401021200113
642120113504000
74060356526410
oct651227262200
9173304220460
1057082209408
1122232467884
12b090872000
1354c90ca893
142a9716a640
1517414ec373
hexd4a5d6480

57082209408 has 256 divisors, whose sum is σ = 203866502400. Its totient is φ = 15349727232.

The previous prime is 57082209377. The next prime is 57082209419. The reversal of 57082209408 is 80490228075.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341866 + ... + 480662.

It is an arithmetic number, because the mean of its divisors is an integer number (796353525).

Almost surely, 257082209408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57082209408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101933251200).

57082209408 is an abundant number, since it is smaller than the sum of its proper divisors (146784292992).

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

57082209408 is a wasteful number, since it uses less digits than its factorization.

57082209408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138844 (or 138826 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 57082209408 in words is "fifty-seven billion, eighty-two million, two hundred nine thousand, four hundred eight".