Search a number
-
+
15514425342013 = 1315738177199109
BaseRepresentation
bin1110000111000011101111…
…0011111011100000111101
32000221011102222101101121111
43201300323303323200331
54013142020341421023
652555121214002021
73160610631354613
oct341607363734075
960834388341544
1015514425342013
114a416a3710a34
1218a69717a6311
13887008b21790
143b8c8b8916b3
151bd8748e800d
hexe1c3bcfb83d

15514425342013 has 16 divisors (see below), whose sum is σ = 16814786934960. Its totient is φ = 14229347198976.

The previous prime is 15514425342001. The next prime is 15514425342023. The reversal of 15514425342013 is 31024352441551.

It can be written as a sum of positive squares in 8 ways, for example, as 4033421522244 + 11481003819769 = 2008338^2 + 3388363^2 .

It is not a de Polignac number, because 15514425342013 - 229 = 15513888471101 is a prime.

It is a super-3 number, since 3×155144253420133 (a number of 41 digits) contains 333 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 (15514425342023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77819703 + ... + 78018811.

It is an arithmetic number, because the mean of its divisors is an integer number (1050924183435).

Almost surely, 215514425342013 is an apocalyptic number.

15514425342013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15514425342013 is a deficient number, since it is larger than the sum of its proper divisors (1300361592947).

15514425342013 is a wasteful number, since it uses less digits than its factorization.

15514425342013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237456.

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 15514425342013 its reverse (31024352441551), we get a palindrome (46538777783564).

The spelling of 15514425342013 in words is "fifteen trillion, five hundred fourteen billion, four hundred twenty-five million, three hundred forty-two thousand, thirteen".

Divisors: 1 13 157 2041 38177 199109 496301 2588417 5993789 31260113 77919257 406381469 7601384293 98817995809 1193417334001 15514425342013