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2081847485 = 51279325543
BaseRepresentation
bin111110000010110…
…0111100010111101
312101002100210212102
41330011213202331
513230423104420
6542325114445
7102406261124
oct17405474275
95332323772
102081847485
1197916a913
124a1258a25
13272403623
1415a6c2abb
15c2b7da75
hex7c1678bd

2081847485 has 8 divisors (see below), whose sum is σ = 2500177920. Its totient is φ = 1664170704.

The previous prime is 2081847437. The next prime is 2081847491. The reversal of 2081847485 is 5847481802.

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-2081847485 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156377 + ... + 169166.

It is an arithmetic number, because the mean of its divisors is an integer number (312522240).

Almost surely, 22081847485 is an apocalyptic number.

It is an amenable number.

2081847485 is a deficient number, since it is larger than the sum of its proper divisors (418330435).

2081847485 is a wasteful number, since it uses less digits than its factorization.

2081847485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326827.

The product of its (nonzero) digits is 573440, while the sum is 47.

The square root of 2081847485 is about 45627.2669025880. The cubic root of 2081847485 is about 1276.8786832184.

The spelling of 2081847485 in words is "two billion, eighty-one million, eight hundred forty-seven thousand, four hundred eighty-five".

Divisors: 1 5 1279 6395 325543 1627715 416369497 2081847485