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1013053221 = 32367306707
BaseRepresentation
bin111100011000011…
…111011100100101
32121121020102202200
4330120133130211
54033320200341
6244305125113
734050544635
oct7430373445
92547212680
101013053221
1147a929974
12243329799
13131b5a69b
14987886c5
155de0ddb6
hex3c61f725

1013053221 has 12 divisors (see below), whose sum is σ = 1467291072. Its totient is φ = 673526376.

The previous prime is 1013053207. The next prime is 1013053253. The reversal of 1013053221 is 1223503101.

1013053221 is a `hidden beast` number, since 1 + 0 + 130 + 532 + 2 + 1 = 666.

It is not a de Polignac number, because 1013053221 - 210 = 1013052197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1013053194 and 1013053203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013053121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150051 + ... + 156656.

It is an arithmetic number, because the mean of its divisors is an integer number (122274256).

Almost surely, 21013053221 is an apocalyptic number.

It is an amenable number.

1013053221 is a deficient number, since it is larger than the sum of its proper divisors (454237851).

1013053221 is a wasteful number, since it uses less digits than its factorization.

1013053221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307080 (or 307077 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1013053221 is about 31828.4969956170. The cubic root of 1013053221 is about 1004.3322779310.

Adding to 1013053221 its reverse (1223503101), we get a palindrome (2236556322).

The spelling of 1013053221 in words is "one billion, thirteen million, fifty-three thousand, two hundred twenty-one".

Divisors: 1 3 9 367 1101 3303 306707 920121 2760363 112561469 337684407 1013053221