Base | Representation |
---|---|
bin | 11001001111010010… |
… | …01110110101110001 |
3 | 1021222022202102210201 |
4 | 30213221032311301 |
5 | 210222301201001 |
6 | 10120315555201 |
7 | 656532200215 |
oct | 144751166561 |
9 | 37868672721 |
10 | 13550022001 |
11 | 58236a809a |
12 | 2761a5bb01 |
13 | 137c31c1c9 |
14 | 927822945 |
15 | 54489b501 |
hex | 327a4ed71 |
13550022001 has 8 divisors (see below), whose sum is σ = 13608884520. Its totient is φ = 13491222912.
The previous prime is 13550021977. The next prime is 13550022077. The reversal of 13550022001 is 10022005531.
It can be written as a sum of positive squares in 4 ways, for example, as 1928966400 + 11621055601 = 43920^2 + 107801^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13550022001 - 219 = 13549497713 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13550022001.
It is not an unprimeable number, because it can be changed into a prime (13550023001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440541 + ... + 470293.
It is an arithmetic number, because the mean of its divisors is an integer number (1701110565).
Almost surely, 213550022001 is an apocalyptic number.
It is an amenable number.
13550022001 is a deficient number, since it is larger than the sum of its proper divisors (58862519).
13550022001 is a wasteful number, since it uses less digits than its factorization.
13550022001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31715.
The product of its (nonzero) digits is 300, while the sum is 19.
Adding to 13550022001 its reverse (10022005531), we get a palindrome (23572027532).
The spelling of 13550022001 in words is "thirteen billion, five hundred fifty million, twenty-two thousand, one".
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