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2098970985 = 35139931399
BaseRepresentation
bin111110100011011…
…1100000101101001
312102021120202220010
41331012330011221
513244314032420
6544140122133
7103004646636
oct17506740551
95367522803
102098970985
119878a5a71
124a6b36349
13275b1a687
1415ca9d18d
15c44124e0
hex7d1bc169

2098970985 has 8 divisors (see below), whose sum is σ = 3358353600. Its totient is φ = 1119451184.

The previous prime is 2098970969. The next prime is 2098970999. The reversal of 2098970985 is 5890798902.

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

It is a cyclic number.

It is not a de Polignac number, because 2098970985 - 24 = 2098970969 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69965685 + ... + 69965714.

It is an arithmetic number, because the mean of its divisors is an integer number (419794200).

Almost surely, 22098970985 is an apocalyptic number.

It is an amenable number.

2098970985 is a deficient number, since it is larger than the sum of its proper divisors (1259382615).

2098970985 is a wasteful number, since it uses less digits than its factorization.

2098970985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139931407.

The product of its (nonzero) digits is 3265920, while the sum is 57.

The square root of 2098970985 is about 45814.5280997196. The cubic root of 2098970985 is about 1280.3699665016.

The spelling of 2098970985 in words is "two billion, ninety-eight million, nine hundred seventy thousand, nine hundred eighty-five".

Divisors: 1 3 5 15 139931399 419794197 699656995 2098970985