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2164343770 = 251912139391
BaseRepresentation
bin1000000100000001…
…0100001111011010
312120211121001111101
42001000110033122
513413033000040
6554433222014
7104430422101
oct20100241732
95524531441
102164343770
11a10796566
12504a0190a
13286528cb4
14167639038
15ca02709a
hex810143da

2164343770 has 32 divisors (see below), whose sum is σ = 4104679680. Its totient is φ = 819408960.

The previous prime is 2164343761. The next prime is 2164343791. The reversal of 2164343770 is 773434612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225775 + ... + 235165.

It is an arithmetic number, because the mean of its divisors is an integer number (128271240).

Almost surely, 22164343770 is an apocalyptic number.

2164343770 is a deficient number, since it is larger than the sum of its proper divisors (1940335910).

2164343770 is a wasteful number, since it uses less digits than its factorization.

2164343770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10630.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 2164343770 is about 46522.5082083931. The cubic root of 2164343770 is about 1293.5267494387.

The spelling of 2164343770 in words is "two billion, one hundred sixty-four million, three hundred forty-three thousand, seven hundred seventy".

Divisors: 1 2 5 10 19 38 95 190 1213 2426 6065 9391 12130 18782 23047 46094 46955 93910 115235 178429 230470 356858 892145 1784290 11391283 22782566 56956415 113912830 216434377 432868754 1082171885 2164343770