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4895780857 = 112831572689
BaseRepresentation
bin1001000111100111…
…11010111111111001
3110122012021102202221
410203303322333321
540011304441412
62125445324041
7232215310402
oct44363727771
913565242687
104895780857
1120925a4690
12b47706621
1360039b866
143462d29a9
151d9c1bb07
hex123cfaff9

4895780857 has 8 divisors (see below), whose sum is σ = 5359727520. Its totient is φ = 4434980160.

The previous prime is 4895780839. The next prime is 4895780861. The reversal of 4895780857 is 7580875984.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4895780857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4895780795 and 4895780804.

It is not an unprimeable number, because it can be changed into a prime (4895780807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783232 + ... + 789457.

It is an arithmetic number, because the mean of its divisors is an integer number (669965940).

Almost surely, 24895780857 is an apocalyptic number.

It is an amenable number.

4895780857 is a deficient number, since it is larger than the sum of its proper divisors (463946663).

4895780857 is a wasteful number, since it uses less digits than its factorization.

4895780857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572983.

The product of its (nonzero) digits is 22579200, while the sum is 61.

The square root of 4895780857 is about 69969.8567741853. The cubic root of 4895780857 is about 1698.0116148924.

The spelling of 4895780857 in words is "four billion, eight hundred ninety-five million, seven hundred eighty thousand, eight hundred fifty-seven".

Divisors: 1 11 283 3113 1572689 17299579 445070987 4895780857