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2210706985 = 52340147939
BaseRepresentation
bin1000001111000100…
…1011011000101001
312201001211112212111
42003301023120221
514011420110420
61003211042321
7105532461604
oct20361133051
95631745774
102210706985
11a34982973
125184403a1
1329300cc56
1416d86733b
15ce13445a
hex83c4b629

2210706985 has 16 divisors (see below), whose sum is σ = 2775150720. Its totient is φ = 1687417600.

The previous prime is 2210706959. The next prime is 2210706989. The reversal of 2210706985 is 5896070122.

It is not a de Polignac number, because 2210706985 - 221 = 2208609833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2210706989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22146 + ... + 70084.

It is an arithmetic number, because the mean of its divisors is an integer number (173446920).

Almost surely, 22210706985 is an apocalyptic number.

It is an amenable number.

2210706985 is a deficient number, since it is larger than the sum of its proper divisors (564443735).

2210706985 is a wasteful number, since it uses less digits than its factorization.

2210706985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48368.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 2210706985 is about 47018.1559081170. The cubic root of 2210706985 is about 1302.6979443074.

The spelling of 2210706985 in words is "two billion, two hundred ten million, seven hundred six thousand, nine hundred eighty-five".

Divisors: 1 5 23 115 401 2005 9223 46115 47939 239695 1102597 5512985 19223539 96117695 442141397 2210706985