Base | Representation |
---|---|
bin | 11001000010011011… |
… | …11100101011011001 |
3 | 1021200210212211122020 |
4 | 30201031330223121 |
5 | 210012201101200 |
6 | 10101505045053 |
7 | 654052604124 |
oct | 144115745331 |
9 | 37623784566 |
10 | 13442206425 |
11 | 577885870a |
12 | 2731926789 |
13 | 1362ba01cb |
14 | 9173993bb |
15 | 53a1a0ea0 |
hex | 32137cad9 |
13442206425 has 36 divisors (see below), whose sum is σ = 23608707696. Its totient is φ = 6747449600.
The previous prime is 13442206423. The next prime is 13442206487. The reversal of 13442206425 is 52460224431.
It is not a de Polignac number, because 13442206425 - 21 = 13442206423 is a prime.
It is a super-2 number, since 2×134422064252 (a number of 21 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (13442206423) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 288411 + ... + 331760.
It is an arithmetic number, because the mean of its divisors is an integer number (655797436).
Almost surely, 213442206425 is an apocalyptic number.
13442206425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13442206425 is a deficient number, since it is larger than the sum of its proper divisors (10166501271).
13442206425 is a wasteful number, since it uses less digits than its factorization.
13442206425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 620218 (or 620196 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 33.
The spelling of 13442206425 in words is "thirteen billion, four hundred forty-two million, two hundred six thousand, four hundred twenty-five".
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