Base | Representation |
---|---|
bin | 10011000011100000… |
… | …11011110000100101 |
3 | 222101221120220211111 |
4 | 21201300123300211 |
5 | 131422341134112 |
6 | 4411040505021 |
7 | 511336513366 |
oct | 114160336045 |
9 | 28357526744 |
10 | 10230021157 |
11 | 437a642344 |
12 | 1b9601b171 |
13 | c70556275 |
14 | 6d091bb6d |
15 | 3ed1975a7 |
hex | 261c1bc25 |
10230021157 has 2 divisors, whose sum is σ = 10230021158. Its totient is φ = 10230021156.
The previous prime is 10230021149. The next prime is 10230021299. The reversal of 10230021157 is 75112003201.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9047624161 + 1182396996 = 95119^2 + 34386^2 .
It is an emirp because it is prime and its reverse (75112003201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10230021157 - 23 = 10230021149 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10230021107) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115010578 + 5115010579.
It is an arithmetic number, because the mean of its divisors is an integer number (5115010579).
Almost surely, 210230021157 is an apocalyptic number.
It is an amenable number.
10230021157 is a deficient number, since it is larger than the sum of its proper divisors (1).
10230021157 is an equidigital number, since it uses as much as digits as its factorization.
10230021157 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 420, while the sum is 22.
Adding to 10230021157 its reverse (75112003201), we get a palindrome (85342024358).
The spelling of 10230021157 in words is "ten billion, two hundred thirty million, twenty-one thousand, one hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •