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13290470247 = 35238470663
BaseRepresentation
bin11000110000010110…
…00111101101100111
31021022020100211201210
430120023013231213
5204204330021442
610034444522503
7650231063445
oct143013075547
937266324653
1013290470247
11570014000a
1226aab50433
13133a613ca2
1490117bb95
1552bbcc19c
hex3182c7b67

13290470247 has 8 divisors (see below), whose sum is σ = 17754511744. Its totient is φ = 8843371128.

The previous prime is 13290470243. The next prime is 13290470269. The reversal of 13290470247 is 74207409231.

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

It is not a de Polignac number, because 13290470247 - 22 = 13290470243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13290470243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4233763 + ... + 4236900.

It is an arithmetic number, because the mean of its divisors is an integer number (2219313968).

Almost surely, 213290470247 is an apocalyptic number.

13290470247 is a deficient number, since it is larger than the sum of its proper divisors (4464041497).

13290470247 is an equidigital number, since it uses as much as digits as its factorization.

13290470247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8471189.

The product of its (nonzero) digits is 84672, while the sum is 39.

Adding to 13290470247 its reverse (74207409231), we get a palindrome (87497879478).

The spelling of 13290470247 in words is "thirteen billion, two hundred ninety million, four hundred seventy thousand, two hundred forty-seven".

Divisors: 1 3 523 1569 8470663 25411989 4430156749 13290470247