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13080417466 = 26540208733
BaseRepresentation
bin11000010111010011…
…10101010010111010
31020202121010001111011
430023221311102322
5203242041324331
610001542424134
7642100466614
oct141351652272
936677101434
1013080417466
115602611276
12265073204a
131305c4a0bc
148c12dddb4
155185393b1
hex30ba754ba

13080417466 has 4 divisors (see below), whose sum is σ = 19620626202. Its totient is φ = 6540208732.

The previous prime is 13080417463. The next prime is 13080417499. The reversal of 13080417466 is 66471408031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66471408031 = 79495915433.

It can be written as a sum of positive squares in only one way, i.e., 8622051025 + 4458366441 = 92855^2 + 66771^2 .

It is a super-2 number, since 2×130804174662 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13080417463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3270104365 + ... + 3270104368.

Almost surely, 213080417466 is an apocalyptic number.

13080417466 is a deficient number, since it is larger than the sum of its proper divisors (6540208736).

13080417466 is an equidigital number, since it uses as much as digits as its factorization.

13080417466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6540208735.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 13080417466 in words is "thirteen billion, eighty million, four hundred seventeen thousand, four hundred sixty-six".

Divisors: 1 2 6540208733 13080417466