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13232143243 = 111202922113
BaseRepresentation
bin11000101001011001…
…00111101110001011
31021011011121112010101
430110230213232023
5204044412040433
610025002430231
7645622235044
oct142454475613
937134545111
1013232143243
115680222080
122693502377
13132b501677
148d75178cb
15526a0a07d
hex314b27b8b

13232143243 has 4 divisors (see below), whose sum is σ = 14435065368. Its totient is φ = 12029221120.

The previous prime is 13232143217. The next prime is 13232143247. The reversal of 13232143243 is 34234123231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13232143243 - 29 = 13232142731 is a prime.

It is a super-2 number, since 2×132321432432 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13232143247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601461046 + ... + 601461067.

It is an arithmetic number, because the mean of its divisors is an integer number (3608766342).

Almost surely, 213232143243 is an apocalyptic number.

13232143243 is a deficient number, since it is larger than the sum of its proper divisors (1202922125).

13232143243 is a wasteful number, since it uses less digits than its factorization.

13232143243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202922124.

The product of its digits is 10368, while the sum is 28.

Adding to 13232143243 its reverse (34234123231), we get a palindrome (47466266474).

The spelling of 13232143243 in words is "thirteen billion, two hundred thirty-two million, one hundred forty-three thousand, two hundred forty-three".

Divisors: 1 11 1202922113 13232143243