Base | Representation |
---|---|
bin | 10100101000101010… |
… | …011001111100010101 |
3 | 2010012011101022211001 |
4 | 110220222121330111 |
5 | 330334200311204 |
6 | 14102342143301 |
7 | 1413033513265 |
oct | 245052317425 |
9 | 63164338731 |
10 | 22157041429 |
11 | 9440088196 |
12 | 4364421b31 |
13 | 2121547c03 |
14 | 110297d7a5 |
15 | 89a2ee4a4 |
hex | 528a99f15 |
22157041429 has 2 divisors, whose sum is σ = 22157041430. Its totient is φ = 22157041428.
The previous prime is 22157041427. The next prime is 22157041471. The reversal of 22157041429 is 92414075122.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 21935091025 + 221950404 = 148105^2 + 14898^2 .
It is a cyclic number.
It is not a de Polignac number, because 22157041429 - 21 = 22157041427 is a prime.
Together with 22157041427, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22157041427) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11078520714 + 11078520715.
It is an arithmetic number, because the mean of its divisors is an integer number (11078520715).
Almost surely, 222157041429 is an apocalyptic number.
It is an amenable number.
22157041429 is a deficient number, since it is larger than the sum of its proper divisors (1).
22157041429 is an equidigital number, since it uses as much as digits as its factorization.
22157041429 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 40320, while the sum is 37.
The spelling of 22157041429 in words is "twenty-two billion, one hundred fifty-seven million, forty-one thousand, four hundred twenty-nine".
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