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1021416001 = 1099370789
BaseRepresentation
bin111100111000011…
…001001001000001
32122011222022100021
4330320121021001
54042440303001
6245204253441
734211615134
oct7470311101
92564868307
101021416001
11484620a61
122460a1281
131337c7c88
149992421b
155ea11ba1
hex3ce19241

1021416001 has 4 divisors (see below), whose sum is σ = 1030786900. Its totient is φ = 1012045104.

The previous prime is 1021415971. The next prime is 1021416029. The reversal of 1021416001 is 1006141201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 614990401 + 406425600 = 24799^2 + 20160^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021416001 - 219 = 1020891713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021416031) 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, 4685286 + ... + 4685503.

It is an arithmetic number, because the mean of its divisors is an integer number (257696725).

Almost surely, 21021416001 is an apocalyptic number.

It is an amenable number.

1021416001 is a deficient number, since it is larger than the sum of its proper divisors (9370899).

1021416001 is an equidigital number, since it uses as much as digits as its factorization.

1021416001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9370898.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1021416001 is about 31959.5995125095. The cubic root of 1021416001 is about 1007.0883042281.

Adding to 1021416001 its reverse (1006141201), we get a palindrome (2027557202).

The spelling of 1021416001 in words is "one billion, twenty-one million, four hundred sixteen thousand, one".

Divisors: 1 109 9370789 1021416001