Search a number
-
+
1020210013 = 9737927751
BaseRepresentation
bin111100110011110…
…010101101011101
32122002201001001001
4330303302231131
54042133210023
6245122350301
734165433134
oct7463625535
92562631031
101020210013
11483977979
122457bb391
13133495084
14996cc91b
155e8746ad
hex3ccf2b5d

1020210013 has 8 divisors (see below), whose sum is σ = 1033484480. Its totient is φ = 1006992000.

The previous prime is 1020209987. The next prime is 1020210019. The reversal of 1020210013 is 3100120201.

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 1020210013 - 213 = 1020201821 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 (1020210019) 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 7 ways as a sum of consecutive naturals, for example, 22888 + ... + 50638.

It is an arithmetic number, because the mean of its divisors is an integer number (129185560).

Almost surely, 21020210013 is an apocalyptic number.

It is an amenable number.

1020210013 is a deficient number, since it is larger than the sum of its proper divisors (13274467).

1020210013 is an equidigital number, since it uses as much as digits as its factorization.

1020210013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28227.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1020210013 is about 31940.7265571715. The cubic root of 1020210013 is about 1006.6917910463.

Adding to 1020210013 its reverse (3100120201), we get a palindrome (4120330214).

The spelling of 1020210013 in words is "one billion, twenty million, two hundred ten thousand, thirteen".

Divisors: 1 97 379 27751 36763 2691847 10517629 1020210013