Base | Representation |
---|---|
bin | 10010101001111011… |
… | …001001000001100001 |
3 | 1220200222100010002222 |
4 | 102221323021001201 |
5 | 312010331102040 |
6 | 13111343520425 |
7 | 1306244220560 |
oct | 225173110141 |
9 | 56628303088 |
10 | 20030722145 |
11 | 8549903025 |
12 | 3a702b9115 |
13 | 1b72b73515 |
14 | d80401bd7 |
15 | 7c37d8bb5 |
hex | 4a9ec9061 |
20030722145 has 8 divisors (see below), whose sum is σ = 27470704704. Its totient is φ = 13735352304.
The previous prime is 20030722093. The next prime is 20030722157. The reversal of 20030722145 is 54122703002.
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 20030722145 - 222 = 20026527841 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286153139 + ... + 286153208.
It is an arithmetic number, because the mean of its divisors is an integer number (3433838088).
Almost surely, 220030722145 is an apocalyptic number.
It is an amenable number.
20030722145 is a deficient number, since it is larger than the sum of its proper divisors (7439982559).
20030722145 is an equidigital number, since it uses as much as digits as its factorization.
20030722145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 572306359.
The product of its (nonzero) digits is 3360, while the sum is 26.
The spelling of 20030722145 in words is "twenty billion, thirty million, seven hundred twenty-two thousand, one hundred forty-five".
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