Base | Representation |
---|---|
bin | 10011000000001000… |
… | …110101110011101001 |
3 | 1221122221121201202101 |
4 | 103000020311303221 |
5 | 313241233142301 |
6 | 13212335533401 |
7 | 1321421066524 |
oct | 230010656351 |
9 | 57587551671 |
10 | 20403412201 |
11 | 8720215637 |
12 | 3b5508a261 |
13 | 1c02142393 |
14 | db7ad7bbb |
15 | 7e63a5701 |
hex | 4c0235ce9 |
20403412201 has 16 divisors (see below), whose sum is σ = 21060819648. Its totient is φ = 19751860800.
The previous prime is 20403412199. The next prime is 20403412301. The reversal of 20403412201 is 10221430402.
It is a cyclic number.
It is not a de Polignac number, because 20403412201 - 21 = 20403412199 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20403412301) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6774786 + ... + 6777796.
It is an arithmetic number, because the mean of its divisors is an integer number (1316301228).
Almost surely, 220403412201 is an apocalyptic number.
It is an amenable number.
20403412201 is a deficient number, since it is larger than the sum of its proper divisors (657407447).
20403412201 is a wasteful number, since it uses less digits than its factorization.
20403412201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3912.
The product of its (nonzero) digits is 384, while the sum is 19.
Adding to 20403412201 its reverse (10221430402), we get a palindrome (30624842603).
The spelling of 20403412201 in words is "twenty billion, four hundred three million, four hundred twelve thousand, two hundred one".
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