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57403751328 = 253471132377
BaseRepresentation
bin110101011101100001…
…111011101110100000
312111011120021201010000
4311131201323232200
51420030330020303
642212041340000
74101342556410
oct653541735640
9174146251100
1057403751328
1122387a15000
12b160497600
13554a8cb881
142ac7b4a640
15175e863da3
hexd5d87bba0

57403751328 has 480 divisors, whose sum is σ = 212309209728. Its totient is φ = 14903792640.

The previous prime is 57403751309. The next prime is 57403751341. The reversal of 57403751328 is 82315730475.

57403751328 is a `hidden beast` number, since 574 + 0 + 3 + 7 + 51 + 3 + 28 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 24148476 + ... + 24150852.

Almost surely, 257403751328 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 57403751328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106154604864).

57403751328 is an abundant number, since it is smaller than the sum of its proper divisors (154905458400).

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

57403751328 is a wasteful number, since it uses less digits than its factorization.

57403751328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439 (or 2400 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 57403751328 in words is "fifty-seven billion, four hundred three million, seven hundred fifty-one thousand, three hundred twenty-eight".