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2345780305 = 51142650551
BaseRepresentation
bin1000101111010001…
…1100010001010001
320001110222222122001
42023310130101101
514301004432210
61024434114001
7112062542431
oct21364342121
96043888561
102345780305
11aa414a510
1255571b901
132b4cb39ab
141837882c1
15dae1603a
hex8bd1c451

2345780305 has 8 divisors (see below), whose sum is σ = 3070839744. Its totient is φ = 1706022000.

The previous prime is 2345780291. The next prime is 2345780341. The reversal of 2345780305 is 5030875432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-2345780305 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21325221 + ... + 21325330.

It is an arithmetic number, because the mean of its divisors is an integer number (383854968).

Almost surely, 22345780305 is an apocalyptic number.

It is an amenable number.

2345780305 is a deficient number, since it is larger than the sum of its proper divisors (725059439).

2345780305 is a wasteful number, since it uses less digits than its factorization.

2345780305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42650567.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 2345780305 is about 48433.2561882845. The cubic root of 2345780305 is about 1328.7066600671.

The spelling of 2345780305 in words is "two billion, three hundred forty-five million, seven hundred eighty thousand, three hundred five".

Divisors: 1 5 11 55 42650551 213252755 469156061 2345780305