Search a number
-
+
13016244143 = 71859463449
BaseRepresentation
bin11000001111101010…
…00001111110101111
31020121010100201020102
430013311001332233
5203124124303033
65551331141315
7640361151440
oct140765017657
936533321212
1013016244143
11557a36a971
12263314483b
1312c586b716
148b69972c7
15512aaede8
hex307d41faf

13016244143 has 4 divisors (see below), whose sum is σ = 14875707600. Its totient is φ = 11156780688.

The previous prime is 13016244121. The next prime is 13016244149. The reversal of 13016244143 is 34144261031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34144261031 = 172008485943.

It is a cyclic number.

It is not a de Polignac number, because 13016244143 - 26 = 13016244079 is a prime.

It is a super-2 number, since 2×130162441432 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13016244149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929731718 + ... + 929731731.

It is an arithmetic number, because the mean of its divisors is an integer number (3718926900).

Almost surely, 213016244143 is an apocalyptic number.

13016244143 is a deficient number, since it is larger than the sum of its proper divisors (1859463457).

13016244143 is an equidigital number, since it uses as much as digits as its factorization.

13016244143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859463456.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 13016244143 in words is "thirteen billion, sixteen million, two hundred forty-four thousand, one hundred forty-three".

Divisors: 1 7 1859463449 13016244143