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1013220201 = 37192539399
BaseRepresentation
bin111100011001001…
…000001101101001
32121121112220211010
4330121020031221
54033341021301
6244312454133
734052141520
oct7431101551
92547486733
101013220201
1147aa33374
122433aa349
13131bb86a6
14987cd4b7
155de435d6
hex3c648369

1013220201 has 16 divisors (see below), whose sum is σ = 1625216000. Its totient is φ = 548509968.

The previous prime is 1013220191. The next prime is 1013220203. The reversal of 1013220201 is 1020223101.

It is not a de Polignac number, because 1013220201 - 29 = 1013219689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013220203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1269301 + ... + 1270098.

It is an arithmetic number, because the mean of its divisors is an integer number (101576000).

Almost surely, 21013220201 is an apocalyptic number.

It is an amenable number.

1013220201 is a deficient number, since it is larger than the sum of its proper divisors (611995799).

1013220201 is a wasteful number, since it uses less digits than its factorization.

1013220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539428.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1013220201 is about 31831.1200085702. The cubic root of 1013220201 is about 1004.3874557462.

Adding to 1013220201 its reverse (1020223101), we get a palindrome (2033443302).

The spelling of 1013220201 in words is "one billion, thirteen million, two hundred twenty thousand, two hundred one".

Divisors: 1 3 7 19 21 57 133 399 2539399 7618197 17775793 48248581 53327379 144745743 337740067 1013220201