Search a number
-
+
13003551730457 = 29448398335533
BaseRepresentation
bin1011110100111010000000…
…0101001110101100011001
31201001010102212201010111222
42331032200011032230121
53201022233220333312
643353425454301425
72511322063663601
oct275164005165431
951033385633458
1013003551730457
114163858a4a422
1215602131b7875
137342ca767982
1432d537a0bc01
151783bb3b1672
hexbd3a014eb19

13003551730457 has 4 divisors (see below), whose sum is σ = 13451950066020. Its totient is φ = 12555153394896.

The previous prime is 13003551730447. The next prime is 13003551730469. The reversal of 13003551730457 is 75403715530031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2446959404176 + 10556592326281 = 1564276^2 + 3249091^2 .

It is a cyclic number.

It is not a de Polignac number, because 13003551730457 - 210 = 13003551729433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13003551730447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224199167738 + ... + 224199167795.

It is an arithmetic number, because the mean of its divisors is an integer number (3362987516505).

Almost surely, 213003551730457 is an apocalyptic number.

It is an amenable number.

13003551730457 is a deficient number, since it is larger than the sum of its proper divisors (448398335563).

13003551730457 is an equidigital number, since it uses as much as digits as its factorization.

13003551730457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448398335562.

The product of its (nonzero) digits is 661500, while the sum is 44.

The spelling of 13003551730457 in words is "thirteen trillion, three billion, five hundred fifty-one million, seven hundred thirty thousand, four hundred fifty-seven".

Divisors: 1 29 448398335533 13003551730457