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13405424335042 = 227778924128789
BaseRepresentation
bin1100001100010011000110…
…0011100011100011000010
31202110112202001220200002011
43003010301203203203002
53224113302112210132
644302211131043134
72552336624524315
oct303046143434302
952415661820064
1013405424335042
1142a9232616313
1216060895a04aa
1376318403725c
14344b7c78697c
15183a8c3a5b47
hexc31318e38c2

13405424335042 has 8 divisors (see below), whose sum is σ = 20108209722300. Its totient is φ = 6702687760944.

The previous prime is 13405424335003. The next prime is 13405424335087. The reversal of 13405424335042 is 24053342450431.

It can be written as a sum of positive squares in 2 ways, for example, as 13212359884161 + 193064450881 = 3634881^2 + 439391^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 13405424334986 and 13405424335004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11508817 + ... + 12619972.

Almost surely, 213405424335042 is an apocalyptic number.

13405424335042 is a deficient number, since it is larger than the sum of its proper divisors (6702785387258).

13405424335042 is a wasteful number, since it uses less digits than its factorization.

13405424335042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24406580.

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 13405424335042 its reverse (24053342450431), we get a palindrome (37458766785473).

The spelling of 13405424335042 in words is "thirteen trillion, four hundred five billion, four hundred twenty-four million, three hundred thirty-five thousand, forty-two".

Divisors: 1 2 277789 555578 24128789 48257578 6702712167521 13405424335042