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110312021 = 1087101483
BaseRepresentation
bin1101001001100…
…11101001010101
321200120102122102
412210303221111
5211214441041
614540211445
72506431251
oct644635125
9250512572
10110312021
11572a5066
1230b39b85
1319b143b1
1410917261
159a4009b
hex6933a55

110312021 has 4 divisors (see below), whose sum is σ = 110414592. Its totient is φ = 110209452.

The previous prime is 110312009. The next prime is 110312053. The reversal of 110312021 is 120213011.

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 110312021 - 214 = 110295637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110311993 and 110312011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110312221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49655 + ... + 51828.

It is an arithmetic number, because the mean of its divisors is an integer number (27603648).

Almost surely, 2110312021 is an apocalyptic number.

It is an amenable number.

110312021 is a deficient number, since it is larger than the sum of its proper divisors (102571).

110312021 is a wasteful number, since it uses less digits than its factorization.

110312021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102570.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 110312021 is about 10502.9529657140. The cubic root of 110312021 is about 479.5945954840.

Adding to 110312021 its reverse (120213011), we get a palindrome (230525032).

The spelling of 110312021 in words is "one hundred ten million, three hundred twelve thousand, twenty-one".

Divisors: 1 1087 101483 110312021