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13123141432 = 2317251384437
BaseRepresentation
bin11000011100011001…
…10011111100111000
31020212120111122202021
430032030303330320
5203334011011212
610010110244224
7643126601362
oct141614637470
936776448667
1013123141432
115624742435
122662ab6674
131311a5875b
148c6c61d32
1551c178307
hex30e333f38

13123141432 has 32 divisors (see below), whose sum is σ = 26157161520. Its totient is φ = 6150976000.

The previous prime is 13123141417. The next prime is 13123141439. The reversal of 13123141432 is 23414132131.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 13123141397 and 13123141406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123141439) 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, 158083 + ... + 226354.

Almost surely, 213123141432 is an apocalyptic number.

It is an amenable number.

13123141432 is a deficient number, since it is larger than the sum of its proper divisors (13034020088).

13123141432 is a wasteful number, since it uses less digits than its factorization.

13123141432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384711 (or 384707 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 13123141432 its reverse (23414132131), we get a palindrome (36537273563).

The spelling of 13123141432 in words is "thirteen billion, one hundred twenty-three million, one hundred forty-one thousand, four hundred thirty-two".

Divisors: 1 2 4 8 17 34 68 136 251 502 1004 2008 4267 8534 17068 34136 384437 768874 1537748 3075496 6535429 13070858 26141716 52283432 96493687 192987374 385974748 771949496 1640392679 3280785358 6561570716 13123141432