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1021304141 = 111333121577
BaseRepresentation
bin111100110111111…
…101110101001101
32122011202121220022
4330313331311031
54042423213031
6245202031525
734210641044
oct7467756515
92564677808
101021304141
11484554a10
122460485a5
131337890a0
14998d555b
155e9dd97b
hex3cdfdd4d

1021304141 has 16 divisors (see below), whose sum is σ = 1203534528. Its totient is φ = 854409600.

The previous prime is 1021304113. The next prime is 1021304143. The reversal of 1021304141 is 1414031201.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-1021304141 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 (1021304143) 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, 36545 + ... + 58121.

It is an arithmetic number, because the mean of its divisors is an integer number (75220908).

Almost surely, 21021304141 is an apocalyptic number.

1021304141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1021304141 is a deficient number, since it is larger than the sum of its proper divisors (182230387).

1021304141 is a wasteful number, since it uses less digits than its factorization.

1021304141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21932.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1021304141 is about 31957.8494426643. The cubic root of 1021304141 is about 1007.0515392501.

Adding to 1021304141 its reverse (1414031201), we get a palindrome (2435335342).

The spelling of 1021304141 in words is "one billion, twenty-one million, three hundred four thousand, one hundred forty-one".

Divisors: 1 11 13 143 331 3641 4303 21577 47333 237347 280501 3085511 7141987 78561857 92845831 1021304141