Base | Representation |
---|---|
bin | 10011000000001000… |
… | …110011000111110001 |
3 | 1221122221121011122222 |
4 | 103000020303013301 |
5 | 313241232314301 |
6 | 13212335410425 |
7 | 1321421022461 |
oct | 230010630761 |
9 | 57587534588 |
10 | 20403401201 |
11 | 8720208347 |
12 | 3b55083a15 |
13 | 1c0213a381 |
14 | db7ad3ba1 |
15 | 7e63a231b |
hex | 4c02331f1 |
20403401201 has 8 divisors (see below), whose sum is σ = 20632096800. Its totient is φ = 20175876000.
The previous prime is 20403401191. The next prime is 20403401209. The reversal of 20403401201 is 10210430402.
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 20403401201 - 210 = 20403400177 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 20403401201.
It is not an unprimeable number, because it can be changed into a prime (20403401209) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257516 + ... + 327293.
It is an arithmetic number, because the mean of its divisors is an integer number (2579012100).
Almost surely, 220403401201 is an apocalyptic number.
It is an amenable number.
20403401201 is a deficient number, since it is larger than the sum of its proper divisors (228695599).
20403401201 is a wasteful number, since it uses less digits than its factorization.
20403401201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 585199.
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 20403401201 its reverse (10210430402), we get a palindrome (30613831603).
The spelling of 20403401201 in words is "twenty billion, four hundred three million, four hundred one thousand, two hundred one".
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