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2170743144 = 23390447631
BaseRepresentation
bin1000000101100010…
…1110100101101000
312121021122011210020
42001120232211220
513421202240034
6555222320440
7104536004133
oct20130564550
95537564706
102170743144
11a143674a9
12506b89120
132879599cb
1416842321a
15ca88d249
hex8162e968

2170743144 has 16 divisors (see below), whose sum is σ = 5426857920. Its totient is φ = 723581040.

The previous prime is 2170743131. The next prime is 2170743167. The reversal of 2170743144 is 4413470712.

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 3 ways as a sum of consecutive naturals, for example, 45223792 + ... + 45223839.

It is an arithmetic number, because the mean of its divisors is an integer number (339178620).

Almost surely, 22170743144 is an apocalyptic number.

2170743144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2170743144 is an abundant number, since it is smaller than the sum of its proper divisors (3256114776).

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

2170743144 is a wasteful number, since it uses less digits than its factorization.

2170743144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90447640 (or 90447636 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 2170743144 is about 46591.2346262685. The cubic root of 2170743144 is about 1294.8003635749.

The spelling of 2170743144 in words is "two billion, one hundred seventy million, seven hundred forty-three thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 90447631 180895262 271342893 361790524 542685786 723581048 1085371572 2170743144