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13124412041 = 136771491241
BaseRepresentation
bin11000011100100011…
…01010001010001001
31020212122220012200212
430032101222022021
5203334322141131
610010153410505
7643143442646
oct141621521211
936778805625
1013124412041
115625430024
122663409a35
1313120b1bb0
148c70b2dcd
1551c329a2b
hex30e46a289

13124412041 has 8 divisors (see below), whose sum is σ = 14154869064. Its totient is φ = 12096938880.

The previous prime is 13124411977. The next prime is 13124412071. The reversal of 13124412041 is 14021442131.

It can be written as a sum of positive squares in 4 ways, for example, as 8408156416 + 4716255625 = 91696^2 + 68675^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13124412041 - 26 = 13124411977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13124411998 and 13124412016.

It is not an unprimeable number, because it can be changed into a prime (13124412071) 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, 736820 + ... + 754421.

It is an arithmetic number, because the mean of its divisors is an integer number (1769358633).

Almost surely, 213124412041 is an apocalyptic number.

It is an amenable number.

13124412041 is a deficient number, since it is larger than the sum of its proper divisors (1030457023).

13124412041 is a wasteful number, since it uses less digits than its factorization.

13124412041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491931.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 13124412041 its reverse (14021442131), we get a palindrome (27145854172).

The spelling of 13124412041 in words is "thirteen billion, one hundred twenty-four million, four hundred twelve thousand, forty-one".

Divisors: 1 13 677 8801 1491241 19386133 1009570157 13124412041