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11231142141 = 38274526861
BaseRepresentation
bin10100111010110110…
…11010000011111101
31001222201101010122110
422131123122003331
5141000133022031
65054242204233
7545214063432
oct123533320375
931881333573
1011231142141
11484376135a
122215353679
13109ca9674b
1478787bb89
1545aeeac46
hex29d6da0fd

11231142141 has 8 divisors (see below), whose sum is σ = 14992966944. Its totient is φ = 7478372720.

The previous prime is 11231142103. The next prime is 11231142149. The reversal of 11231142141 is 14124113211.

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 11231142141 - 29 = 11231141629 is a prime.

It is a super-2 number, since 2×112311421412 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231142149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2260950 + ... + 2265911.

It is an arithmetic number, because the mean of its divisors is an integer number (1874120868).

Almost surely, 211231142141 is an apocalyptic number.

It is an amenable number.

11231142141 is a deficient number, since it is larger than the sum of its proper divisors (3761824803).

11231142141 is an equidigital number, since it uses as much as digits as its factorization.

11231142141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527691.

The product of its digits is 192, while the sum is 21.

Adding to 11231142141 its reverse (14124113211), we get a palindrome (25355255352).

The spelling of 11231142141 in words is "eleven billion, two hundred thirty-one million, one hundred forty-two thousand, one hundred forty-one".

Divisors: 1 3 827 2481 4526861 13580583 3743714047 11231142141