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1021231130411 = 10126029388459
BaseRepresentation
bin11101101110001100001…
…11100110011100101011
310121121222100112121011102
432313012013212130223
5113212440132133121
62101051435152015
7133532026245302
oct16670607463453
93547870477142
101021231130411
11364113393468
12145b082a560b
13753bca472bb
14375dc043439
151b87061b90b
hexedc61e672b

1021231130411 has 8 divisors (see below), whose sum is σ = 1031384607600. Its totient is φ = 1011078482400.

The previous prime is 1021231130399. The next prime is 1021231130441. The reversal of 1021231130411 is 1140311321201.

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 1021231130411 - 218 = 1021230868267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021231130441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2434700 + ... + 2823158.

It is an arithmetic number, because the mean of its divisors is an integer number (128923075950).

Almost surely, 21021231130411 is an apocalyptic number.

1021231130411 is a deficient number, since it is larger than the sum of its proper divisors (10153477189).

1021231130411 is a wasteful number, since it uses less digits than its factorization.

1021231130411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414589.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1021231130411 its reverse (1140311321201), we get a palindrome (2161542451612).

The spelling of 1021231130411 in words is "one trillion, twenty-one billion, two hundred thirty-one million, one hundred thirty thousand, four hundred eleven".

Divisors: 1 101 26029 388459 2628929 39234359 10111199311 1021231130411