| Base | Representation |
|---|---|
| bin | 11000101101001011… |
| … | …01110100000011101 |
| 3 | 1021020101100110010021 |
| 4 | 30112211232200131 |
| 5 | 204131023443321 |
| 6 | 10032055112141 |
| 7 | 646456131403 |
| oct | 142645564035 |
| 9 | 37211313107 |
| 10 | 13263890461 |
| 11 | 5697136248 |
| 12 | 26a2072651 |
| 13 | 1334c689c3 |
| 14 | 8db81d473 |
| 15 | 5296cb941 |
| hex | 31696e81d |
13263890461 has 4 divisors (see below), whose sum is σ = 13264120800. Its totient is φ = 13263660124.
The previous prime is 13263890449. The next prime is 13263890473. The reversal of 13263890461 is 16409836231.
13263890461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16409836231 = 293 ⋅56006267.
It is an interprime number because it is at equal distance from previous prime (13263890449) and next prime (13263890473).
It is a cyclic number.
It is not a de Polignac number, because 13263890461 - 25 = 13263890429 is a prime.
It is a super-2 number, since 2×132638904612 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13263890411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57450 + ... + 172708.
It is an arithmetic number, because the mean of its divisors is an integer number (3316030200).
Almost surely, 213263890461 is an apocalyptic number.
It is an amenable number.
13263890461 is a deficient number, since it is larger than the sum of its proper divisors (230339).
13263890461 is a wasteful number, since it uses less digits than its factorization.
13263890461 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230338.
The product of its (nonzero) digits is 186624, while the sum is 43.
The spelling of 13263890461 in words is "thirteen billion, two hundred sixty-three million, eight hundred ninety thousand, four hundred sixty-one".
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