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1945145068827 = 33137206688457
BaseRepresentation
bin11100010011100011101…
…011100100110100011011
320212221202111121121210120
4130103203223210310123
5223332124114200302
64045330505244323
7260350336166022
oct34234353446433
96787674547716
101945145068827
1168aa27755124
12274b951936a3
13111570a2930c
146a2074618b9
15358e72d99bc
hex1c4e3ae4d1b

1945145068827 has 8 divisors (see below), whose sum is σ = 2594353524816. Its totient is φ = 1296349996032.

The previous prime is 1945145068799. The next prime is 1945145068829. The reversal of 1945145068827 is 7288605415491.

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

It is not a de Polignac number, because 1945145068827 - 211 = 1945145066779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1945145068829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103334818 + ... + 103353639.

It is an arithmetic number, because the mean of its divisors is an integer number (324294190602).

Almost surely, 21945145068827 is an apocalyptic number.

1945145068827 is a deficient number, since it is larger than the sum of its proper divisors (649208455989).

1945145068827 is a wasteful number, since it uses less digits than its factorization.

1945145068827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206691597.

The product of its (nonzero) digits is 19353600, while the sum is 60.

The spelling of 1945145068827 in words is "one trillion, nine hundred forty-five billion, one hundred forty-five million, sixty-eight thousand, eight hundred twenty-seven".

Divisors: 1 3 3137 9411 206688457 620065371 648381689609 1945145068827