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2100232321 = 11190930211
BaseRepresentation
bin111110100101111…
…0000000010000001
312102100221212010021
41331023300002001
513300124413241
6544223133441
7103021452205
oct17513600201
95370855107
102100232321
119885876a0
124a7444281
1327616c825
1415cd0ab05
15c45b10d1
hex7d2f0081

2100232321 has 4 divisors (see below), whose sum is σ = 2291162544. Its totient is φ = 1909302100.

The previous prime is 2100232313. The next prime is 2100232333. The reversal of 2100232321 is 1232320012.

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 2100232321 - 23 = 2100232313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2100232295 and 2100232304.

It is not an unprimeable number, because it can be changed into a prime (2100232021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95465095 + ... + 95465116.

It is an arithmetic number, because the mean of its divisors is an integer number (572790636).

Almost surely, 22100232321 is an apocalyptic number.

It is an amenable number.

2100232321 is a deficient number, since it is larger than the sum of its proper divisors (190930223).

2100232321 is a wasteful number, since it uses less digits than its factorization.

2100232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190930222.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2100232321 is about 45828.2917093797. The cubic root of 2100232321 is about 1280.6263863307.

Adding to 2100232321 its reverse (1232320012), we get a palindrome (3332552333).

The spelling of 2100232321 in words is "two billion, one hundred million, two hundred thirty-two thousand, three hundred twenty-one".

Divisors: 1 11 190930211 2100232321