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2161713950 = 252113930389
BaseRepresentation
bin1000000011011001…
…0010001100011110
312120122122110001122
42000312102030132
513411344321300
6554301010542
7104366160014
oct20066221436
95518573048
102161713950
11a0a25a760
12503b53a52
13285b17ca6
141671528b4
15c9ba7c85
hex80d9231e

2161713950 has 24 divisors (see below), whose sum is σ = 4386315240. Its totient is φ = 786077600.

The previous prime is 2161713947. The next prime is 2161713973. The reversal of 2161713950 is 593171612.

It is a self number, because there is not a number n which added to its sum of digits gives 2161713950.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1964645 + ... + 1965744.

It is an arithmetic number, because the mean of its divisors is an integer number (182763135).

Almost surely, 22161713950 is an apocalyptic number.

2161713950 is an abundant number, since it is smaller than the sum of its proper divisors (2224601290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2161713950 is a wasteful number, since it uses less digits than its factorization.

2161713950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930412 (or 3930407 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 2161713950 is about 46494.2356642197. The cubic root of 2161713950 is about 1293.0026304156.

The spelling of 2161713950 in words is "two billion, one hundred sixty-one million, seven hundred thirteen thousand, nine hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 3930389 7860778 19651945 39303890 43234279 86468558 98259725 196519450 216171395 432342790 1080856975 2161713950