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57447481994 = 274103391571
BaseRepresentation
bin110101100000001000…
…110000001010001010
312111021121120110022022
4311200020300022022
51420123023410434
642220242524442
74102413353150
oct654010601212
9174247513268
1057447481994
11223aa673551
12b173066722
1355569a04c6
142acd8913d0
15176360122e
hexd6023028a

57447481994 has 8 divisors (see below), whose sum is σ = 98481397728. Its totient is φ = 24620349420.

The previous prime is 57447481967. The next prime is 57447482003. The reversal of 57447481994 is 49918474475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2051695772 + ... + 2051695799.

It is an arithmetic number, because the mean of its divisors is an integer number (12310174716).

Almost surely, 257447481994 is an apocalyptic number.

57447481994 is a deficient number, since it is larger than the sum of its proper divisors (41033915734).

57447481994 is a wasteful number, since it uses less digits than its factorization.

57447481994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103391580.

The product of its digits is 40642560, while the sum is 62.

The spelling of 57447481994 in words is "fifty-seven billion, four hundred forty-seven million, four hundred eighty-one thousand, nine hundred ninety-four".

Divisors: 1 2 7 14 4103391571 8206783142 28723740997 57447481994