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2170751142 = 23751684551
BaseRepresentation
bin1000000101100011…
…0000100010100110
312121021122120202110
42001120300202212
513421203014032
6555222421450
7104536036350
oct20130604246
95537576673
102170751142
11a1437250a
12506b91886
13287960541
141684260d0
15ca8907cc
hex816308a6

2170751142 has 16 divisors (see below), whose sum is σ = 4961716992. Its totient is φ = 620214600.

The previous prime is 2170751129. The next prime is 2170751147. The reversal of 2170751142 is 2411570712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170751147) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25842234 + ... + 25842317.

It is an arithmetic number, because the mean of its divisors is an integer number (310107312).

Almost surely, 22170751142 is an apocalyptic number.

2170751142 is an abundant number, since it is smaller than the sum of its proper divisors (2790965850).

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

2170751142 is a wasteful number, since it uses less digits than its factorization.

2170751142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51684563.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 2170751142 is about 46591.3204577848. The cubic root of 2170751142 is about 1294.8019537831.

The spelling of 2170751142 in words is "two billion, one hundred seventy million, seven hundred fifty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 51684551 103369102 155053653 310107306 361791857 723583714 1085375571 2170751142