Search a number
-
+
13044430030331 = 753257136810073
BaseRepresentation
bin1011110111010010010010…
…0111100100010111111011
31201012000221202102220221102
42331310210213210113323
53202204443041432311
643424310050202015
72514300064543460
oct275644447442773
951160852386842
1013044430030331
11417a125759127
12156812128330b
137381137866ab
143314d4ac7667
151794b003a43b
hexbdd249e45fb

13044430030331 has 16 divisors (see below), whose sum is σ = 15248303607744. Its totient is φ = 10927294070784.

The previous prime is 13044430030279. The next prime is 13044430030339. The reversal of 13044430030331 is 13303003444031.

It is not a de Polignac number, because 13044430030331 - 214 = 13044430013947 is a prime.

It is a super-2 number, since 2×130444300303312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13044430030294 and 13044430030303.

It is not an unprimeable number, because it can be changed into a prime (13044430030339) 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, 68309690 + ... + 68500383.

It is an arithmetic number, because the mean of its divisors is an integer number (953018975484).

Almost surely, 213044430030331 is an apocalyptic number.

13044430030331 is a deficient number, since it is larger than the sum of its proper divisors (2203873577413).

13044430030331 is a wasteful number, since it uses less digits than its factorization.

13044430030331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136810390.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 13044430030331 its reverse (13303003444031), we get a palindrome (26347433474362).

The spelling of 13044430030331 in words is "thirteen trillion, forty-four billion, four hundred thirty million, thirty thousand, three hundred thirty-one".

Divisors: 1 7 53 257 371 1799 13621 95347 136810073 957670511 7250933869 35160188761 50756537083 246121321327 1863490004333 13044430030331