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2109588142 = 21054794071
BaseRepresentation
bin111110110111101…
…1100001010101110
312110000120011220011
41331233130022232
513310023310032
6545155443434
7103164126514
oct17557341256
95400504804
102109588142
11992897882
124aa5b657a
1327809710c
141602644b4
15c530d247
hex7dbdc2ae

2109588142 has 4 divisors (see below), whose sum is σ = 3164382216. Its totient is φ = 1054794070.

The previous prime is 2109588121. The next prime is 2109588179. The reversal of 2109588142 is 2418859012.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2109588095 and 2109588104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527397034 + ... + 527397037.

It is an arithmetic number, because the mean of its divisors is an integer number (791095554).

Almost surely, 22109588142 is an apocalyptic number.

2109588142 is a deficient number, since it is larger than the sum of its proper divisors (1054794074).

2109588142 is a wasteful number, since it uses less digits than its factorization.

2109588142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054794073.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 2109588142 is about 45930.2530147614. The cubic root of 2109588142 is about 1282.5251547237.

The spelling of 2109588142 in words is "two billion, one hundred nine million, five hundred eighty-eight thousand, one hundred forty-two".

Divisors: 1 2 1054794071 2109588142