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13234130421 = 347907103483
BaseRepresentation
bin11000101001101000…
…01100110111110101
31021011022100111000120
430110310030313311
5204100414133141
610025113202153
7645645152421
oct142464146765
937138314016
1013234130421
11568135a076
122694100359
13132ba49005
148d78b3b81
15526c9dc66
hex314d0cdf5

13234130421 has 16 divisors (see below), whose sum is σ = 18040986624. Its totient is φ = 8625431664.

The previous prime is 13234130411. The next prime is 13234130449. The reversal of 13234130421 is 12403143231.

It is a happy number.

It is not a de Polignac number, because 13234130421 - 211 = 13234128373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13234130391 and 13234130400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13234130411) 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, 76146 + ... + 179628.

It is an arithmetic number, because the mean of its divisors is an integer number (1127561664).

Almost surely, 213234130421 is an apocalyptic number.

It is an amenable number.

13234130421 is a deficient number, since it is larger than the sum of its proper divisors (4806856203).

13234130421 is a wasteful number, since it uses less digits than its factorization.

13234130421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104440.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13234130421 its reverse (12403143231), we get a palindrome (25637273652).

The spelling of 13234130421 in words is "thirteen billion, two hundred thirty-four million, one hundred thirty thousand, four hundred twenty-one".

Divisors: 1 3 47 141 907 2721 42629 103483 127887 310449 4863701 14591103 93859081 281577243 4411376807 13234130421