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2847316993 = 23148383477
BaseRepresentation
bin1010100110110110…
…1001110000000001
321100102201200121221
42221231221300001
521312403120433
61150311515041
7130362536503
oct25155516001
97312650557
102847316993
111231266444
12675688a81
13364b86371
141d021dd73
15119e8472d
hexa9b69c01

2847316993 has 8 divisors (see below), whose sum is σ = 2973152448. Its totient is φ = 2721651504.

The previous prime is 2847316963. The next prime is 2847317051. The reversal of 2847316993 is 3996137482.

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-2847316993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2847316993.

It is not an unprimeable number, because it can be changed into a prime (2847316963) 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, 7630 + ... + 75847.

It is an arithmetic number, because the mean of its divisors is an integer number (371644056).

Almost surely, 22847316993 is an apocalyptic number.

2847316993 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2847316993 is a deficient number, since it is larger than the sum of its proper divisors (125835455).

2847316993 is a wasteful number, since it uses less digits than its factorization.

2847316993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84983.

The product of its digits is 1959552, while the sum is 52.

The square root of 2847316993 is about 53360.2566804171. The cubic root of 2847316993 is about 1417.3548908916.

The spelling of 2847316993 in words is "two billion, eight hundred forty-seven million, three hundred sixteen thousand, nine hundred ninety-three".

Divisors: 1 23 1483 34109 83477 1919971 123796391 2847316993