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557493199872 = 21037972411109
BaseRepresentation
bin10000001110011010010…
…11110010010000000000
31222021222122210212200120
420013031023302100000
533113221224343442
61104035302020240
755164126004020
oct10071513622000
91867878725616
10557493199872
111a5482417514
1290067417680
134075743757b
141cda8bb5a80
15e77d2654ec
hex81cd2f2400

557493199872 has 352 divisors, whose sum is σ = 1724377079040. Its totient is φ = 156845998080.

The previous prime is 557493199867. The next prime is 557493199883. The reversal of 557493199872 is 278991394755.

It is a junction number, because it is equal to n+sod(n) for n = 557493199797 and 557493199806.

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, 502698454 + ... + 502699562.

It is an arithmetic number, because the mean of its divisors is an integer number (4898798520).

Almost surely, 2557493199872 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 557493199872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (862188539520).

557493199872 is an abundant number, since it is smaller than the sum of its proper divisors (1166883879168).

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

557493199872 is a wasteful number, since it uses less digits than its factorization.

557493199872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477 (or 1459 counting only the distinct ones).

The product of its digits is 171460800, while the sum is 69.

The spelling of 557493199872 in words is "five hundred fifty-seven billion, four hundred ninety-three million, one hundred ninety-nine thousand, eight hundred seventy-two".