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2319970705 = 513172099521
BaseRepresentation
bin1000101001000111…
…1111000110010001
312222200102201111221
42022101333012101
514222403030310
61022113005041
7111330265663
oct21221770621
95880381457
102319970705
11a90621368
12548b53781
132ac848140
1418018a533
15d8a18ada
hex8a47f191

2319970705 has 16 divisors (see below), whose sum is σ = 3174477264. Its totient is φ = 1612431360.

The previous prime is 2319970669. The next prime is 2319970721. The reversal of 2319970705 is 5070799132.

It can be written as a sum of positive squares in 8 ways, for example, as 60964864 + 2259005841 = 7808^2 + 47529^2 .

It is not a de Polignac number, because 2319970705 - 217 = 2319839633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1048656 + ... + 1050865.

It is an arithmetic number, because the mean of its divisors is an integer number (198404829).

Almost surely, 22319970705 is an apocalyptic number.

It is an amenable number.

2319970705 is a deficient number, since it is larger than the sum of its proper divisors (854506559).

2319970705 is a wasteful number, since it uses less digits than its factorization.

2319970705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099556.

The product of its (nonzero) digits is 119070, while the sum is 43.

The square root of 2319970705 is about 48166.0742120427. The cubic root of 2319970705 is about 1323.8156175499.

The spelling of 2319970705 in words is "two billion, three hundred nineteen million, nine hundred seventy thousand, seven hundred five".

Divisors: 1 5 13 17 65 85 221 1105 2099521 10497605 27293773 35691857 136468865 178459285 463994141 2319970705