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13424042044 = 2271737974411
BaseRepresentation
bin11001000000010001…
…01010000000111100
31021122112200222210101
430200020222000330
5204443023321134
610100015450444
7653442321550
oct144010520074
937575628711
1013424042044
115769581526
122727826a24
13135c1b045a
14914bcb860
155387b3e14
hex32022a03c

13424042044 has 48 divisors (see below), whose sum is σ = 28502772480. Its totient is φ = 5400380160.

The previous prime is 13424041991. The next prime is 13424042063. The reversal of 13424042044 is 44024042431.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143199 + ... + 217609.

It is an arithmetic number, because the mean of its divisors is an integer number (593807760).

Almost surely, 213424042044 is an apocalyptic number.

13424042044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13424042044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14251386240).

13424042044 is an abundant number, since it is smaller than the sum of its proper divisors (15078730436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13424042044 is a wasteful number, since it uses less digits than its factorization.

13424042044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74818 (or 74816 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 13424042044 its reverse (44024042431), we get a palindrome (57448084475).

The spelling of 13424042044 in words is "thirteen billion, four hundred twenty-four million, forty-two thousand, forty-four".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 379 476 758 1516 2653 5306 6443 10612 12886 25772 45101 74411 90202 148822 180404 297644 520877 1041754 1264987 2083508 2529974 5059948 8854909 17709818 28201769 35419636 56403538 112807076 197412383 394824766 479430073 789649532 958860146 1917720292 3356010511 6712021022 13424042044