Base | Representation |
---|---|
bin | 11000001110010110… |
… | …00010000100010110 |
3 | 1020120100122100210011 |
4 | 30013023002010112 |
5 | 203113320000304 |
6 | 5550255150434 |
7 | 640165445302 |
oct | 140713020426 |
9 | 36510570704 |
10 | 13005234454 |
11 | 5574130153 |
12 | 262b51541a |
13 | 12c34b5404 |
14 | 8b532cd02 |
15 | 511b37c04 |
hex | 3072c2116 |
13005234454 has 16 divisors (see below), whose sum is σ = 19713779568. Its totient is φ = 6434007552.
The previous prime is 13005234443. The next prime is 13005234457. The reversal of 13005234454 is 45443250031.
It is a super-2 number, since 2×130052344542 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13005234457) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1546449 + ... + 1554835.
It is an arithmetic number, because the mean of its divisors is an integer number (1232111223).
Almost surely, 213005234454 is an apocalyptic number.
13005234454 is a deficient number, since it is larger than the sum of its proper divisors (6708545114).
13005234454 is an equidigital number, since it uses as much as digits as its factorization.
13005234454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16479.
The product of its (nonzero) digits is 28800, while the sum is 31.
Adding to 13005234454 its reverse (45443250031), we get a palindrome (58448484485).
The spelling of 13005234454 in words is "thirteen billion, five million, two hundred thirty-four thousand, four hundred fifty-four".
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