Search a number
-
+
13643244234631 = 1120111897332507
BaseRepresentation
bin1100011010001001000010…
…1110011110011110000111
31210022021121011000022112101
43012202100232132132013
53242012331011002011
645003341520532531
72605456211363254
oct306422056363607
953267534008471
1013643244234631
114390081767880
12164419aa81147
1377c724853b2b
1435249d69842b
15189d5ac262c1
hexc6890b9e787

13643244234631 has 16 divisors (see below), whose sum is σ = 14892183186048. Its totient is φ = 12395747023200.

The previous prime is 13643244234629. The next prime is 13643244234667.

13643244234631 is nontrivially palindromic in base 10.

13643244234631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13643244234631 - 21 = 13643244234629 is a prime.

It is a super-2 number, since 2×136432442346312 (a number of 27 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 (13643244234671) 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, 419685480 + ... + 419717986.

It is an arithmetic number, because the mean of its divisors is an integer number (930761449128).

Almost surely, 213643244234631 is an apocalyptic number.

13643244234631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13643244234631 is a deficient number, since it is larger than the sum of its proper divisors (1248938951417).

13643244234631 is a wasteful number, since it uses less digits than its factorization.

13643244234631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53502.

The product of its digits is 2985984, while the sum is 46.

It can be divided in two parts, 1364324 and 4234631, that added together give a palindrome (5598955).

The spelling of 13643244234631 in words is "thirteen trillion, six hundred forty-three billion, two hundred forty-four million, two hundred thirty-four thousand, six hundred thirty-one".

Divisors: 1 11 2011 18973 22121 32507 208703 357577 38154703 65371577 419701733 616755311 719087347 6784308421 1240294930421 13643244234631