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2101024321 = 111011891111
BaseRepresentation
bin111110100111011…
…0001011001000001
312102102110002112121
41331032301121001
513300330234241
6544252124241
7103031261224
oct17516613101
95372402477
102101024321
11988a78740
124a7766681
13276389176
1415d0755bb
15c46baad1
hex7d3b1641

2101024321 has 8 divisors (see below), whose sum is σ = 2314721088. Its totient is φ = 1891110000.

The previous prime is 2101024307. The next prime is 2101024327. The reversal of 2101024321 is 1234201012.

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 2101024321 - 213 = 2101016129 is a prime.

It is a super-2 number, since 2×21010243212 = 8828606394867022082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101024295 and 2101024304.

It is not an unprimeable number, because it can be changed into a prime (2101024327) 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, 944445 + ... + 946666.

It is an arithmetic number, because the mean of its divisors is an integer number (289340136).

Almost surely, 22101024321 is an apocalyptic number.

It is an amenable number.

2101024321 is a deficient number, since it is larger than the sum of its proper divisors (213696767).

2101024321 is a wasteful number, since it uses less digits than its factorization.

2101024321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891223.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2101024321 is about 45836.9318454017. The cubic root of 2101024321 is about 1280.7873413231.

Adding to 2101024321 its reverse (1234201012), we get a palindrome (3335225333).

The spelling of 2101024321 in words is "two billion, one hundred one million, twenty-four thousand, three hundred twenty-one".

Divisors: 1 11 101 1111 1891111 20802221 191002211 2101024321