Base | Representation |
---|---|
bin | 10010110001000011… |
… | …011111101000010001 |
3 | 1221000022102221222012 |
4 | 102301003133220101 |
5 | 312231442234101 |
6 | 13131255552305 |
7 | 1312226112044 |
oct | 226103375021 |
9 | 57008387865 |
10 | 20150352401 |
11 | 8600392003 |
12 | 3aa438b695 |
13 | 1b9189b05a |
14 | d92262c5b |
15 | 7ce069bbb |
hex | 4b10dfa11 |
20150352401 has 2 divisors, whose sum is σ = 20150352402. Its totient is φ = 20150352400.
The previous prime is 20150352349. The next prime is 20150352449. The reversal of 20150352401 is 10425305102.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 16912742401 + 3237610000 = 130049^2 + 56900^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20150352401 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (20150352491) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10075176200 + 10075176201.
It is an arithmetic number, because the mean of its divisors is an integer number (10075176201).
Almost surely, 220150352401 is an apocalyptic number.
It is an amenable number.
20150352401 is a deficient number, since it is larger than the sum of its proper divisors (1).
20150352401 is an equidigital number, since it uses as much as digits as its factorization.
20150352401 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1200, while the sum is 23.
Adding to 20150352401 its reverse (10425305102), we get a palindrome (30575657503).
The spelling of 20150352401 in words is "twenty billion, one hundred fifty million, three hundred fifty-two thousand, four hundred one".
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