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2345188745 = 54493104393
BaseRepresentation
bin1000101111001000…
…1011110110001001
320001102212221011102
42023302023312021
514300332014440
61024413311145
7112054526654
oct21362136611
96042787142
102345188745
11aa3886019
125554954b5
132b4b37663
1418367289b
15dad4ab15
hex8bc8bd89

2345188745 has 8 divisors (see below), whose sum is σ = 2814879816. Its totient is φ = 1875715456.

The previous prime is 2345188711. The next prime is 2345188757. The reversal of 2345188745 is 5478815432.

2345188745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1769716624 + 575472121 = 42068^2 + 23989^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2345188745 - 218 = 2344926601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2345188745.

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, 29732 + ... + 74661.

It is an arithmetic number, because the mean of its divisors is an integer number (351859977).

Almost surely, 22345188745 is an apocalyptic number.

It is an amenable number.

2345188745 is a deficient number, since it is larger than the sum of its proper divisors (469691071).

2345188745 is a wasteful number, since it uses less digits than its factorization.

2345188745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108891.

The product of its digits is 1075200, while the sum is 47.

The square root of 2345188745 is about 48427.1488423591. The cubic root of 2345188745 is about 1328.5949593832.

The spelling of 2345188745 in words is "two billion, three hundred forty-five million, one hundred eighty-eight thousand, seven hundred forty-five".

Divisors: 1 5 4493 22465 104393 521965 469037749 2345188745