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13125404434451 = 101247495250899
BaseRepresentation
bin1011111011111111111100…
…0100011010000000010011
31201110202222000001212002212
42332333333010122000103
53210021312013400301
643525421052502335
72523164520612431
oct276777704320023
951422860055085
1013125404434451
1142004a8696471
12157b95b47a9ab
1374294973619a
143353b7029d51
1517b64dd314bb
hexbefff11a013

13125404434451 has 8 divisors (see below), whose sum is σ = 13255897050000. Its totient is φ = 12994922370400.

The previous prime is 13125404434427. The next prime is 13125404434459. The reversal of 13125404434451 is 15443440452131.

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 13125404434451 - 214 = 13125404418067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13125404434399 and 13125404434408.

It is not an unprimeable number, because it can be changed into a prime (13125404434459) 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, 125801 + ... + 5125098.

It is an arithmetic number, because the mean of its divisors is an integer number (1656987131250).

Almost surely, 213125404434451 is an apocalyptic number.

13125404434451 is a deficient number, since it is larger than the sum of its proper divisors (130492615549).

13125404434451 is a wasteful number, since it uses less digits than its factorization.

13125404434451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275749.

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 13125404434451 its reverse (15443440452131), we get a palindrome (28568844886582).

The spelling of 13125404434451 in words is "thirteen trillion, one hundred twenty-five billion, four hundred four million, four hundred thirty-four thousand, four hundred fifty-one".

Divisors: 1 101 24749 2499649 5250899 530340799 129954499351 13125404434451