Base | Representation |
---|---|
bin | 11000101010101001… |
… | …00101101000101101 |
3 | 1021011220022211011111 |
4 | 30111110211220231 |
5 | 204110102323321 |
6 | 10030015152021 |
7 | 646110262630 |
oct | 142524455055 |
9 | 37156284144 |
10 | 13242620461 |
11 | 5686128834 |
12 | 2696b15611 |
13 | 133072c4c5 |
14 | 8d8a83c17 |
15 | 5278c95e1 |
hex | 315525a2d |
13242620461 has 12 divisors (see below), whose sum is σ = 15821055712. Its totient is φ = 10857300696.
The previous prime is 13242620459. The next prime is 13242620477. The reversal of 13242620461 is 16402624231.
It is not a de Polignac number, because 13242620461 - 21 = 13242620459 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13242620561) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1784391 + ... + 1791796.
Almost surely, 213242620461 is an apocalyptic number.
It is an amenable number.
13242620461 is a deficient number, since it is larger than the sum of its proper divisors (2578435251).
13242620461 is an equidigital number, since it uses as much as digits as its factorization.
13242620461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3576240 (or 3576217 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 31.
The spelling of 13242620461 in words is "thirteen billion, two hundred forty-two million, six hundred twenty thousand, four hundred sixty-one".
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