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2140502101 = 4394875859
BaseRepresentation
bin111111110010101…
…0111100001010101
312112011201202212121
41333211113201111
513340432031401
6552222215541
7104020652623
oct17745274125
95464652777
102140502101
119a9291a01
124b8a245b1
132815cc0ba
141643d0513
15c7db7ca1
hex7f957855

2140502101 has 4 divisors (see below), whose sum is σ = 2145378400. Its totient is φ = 2135625804.

The previous prime is 2140502099. The next prime is 2140502137. The reversal of 2140502101 is 1012050412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2140502101 - 21 = 2140502099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140502401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2437491 + ... + 2438368.

It is an arithmetic number, because the mean of its divisors is an integer number (536344600).

Almost surely, 22140502101 is an apocalyptic number.

It is an amenable number.

2140502101 is a deficient number, since it is larger than the sum of its proper divisors (4876299).

2140502101 is an equidigital number, since it uses as much as digits as its factorization.

2140502101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4876298.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 2140502101 is about 46265.5606363956. The cubic root of 2140502101 is about 1288.7595192159.

Adding to 2140502101 its reverse (1012050412), we get a palindrome (3152552513).

The spelling of 2140502101 in words is "two billion, one hundred forty million, five hundred two thousand, one hundred one".

Divisors: 1 439 4875859 2140502101