Base | Representation |
---|---|
bin | 111001010010010110… |
… | …0000100111101001001 |
3 | 102202112121210022112221 |
4 | 1302210230010331021 |
5 | 4003422124233340 |
6 | 132303210334041 |
7 | 11613413421262 |
oct | 1624454047511 |
9 | 382477708487 |
10 | 123022102345 |
11 | 4819a85136a |
12 | 1ba13a2a321 |
13 | b7a7339bcc |
14 | 5d50863969 |
15 | 330046344a |
hex | 1ca4b04f49 |
123022102345 has 8 divisors (see below), whose sum is σ = 151616429064. Its totient is φ = 95757744384.
The previous prime is 123022102339. The next prime is 123022102349. The reversal of 123022102345 is 543201220321.
It can be written as a sum of positive squares in 4 ways, for example, as 29914123849 + 93107978496 = 172957^2 + 305136^2 .
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 123022102345 - 23 = 123022102337 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123022102349) 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 in 7 ways as a sum of consecutive naturals, for example, 332491984 + ... + 332492353.
It is an arithmetic number, because the mean of its divisors is an integer number (18952053633).
Almost surely, 2123022102345 is an apocalyptic number.
It is an amenable number.
123022102345 is a deficient number, since it is larger than the sum of its proper divisors (28594326719).
123022102345 is an equidigital number, since it uses as much as digits as its factorization.
123022102345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 664984379.
The product of its (nonzero) digits is 2880, while the sum is 25.
Adding to 123022102345 its reverse (543201220321), we get a palindrome (666223322666).
The spelling of 123022102345 in words is "one hundred twenty-three billion, twenty-two million, one hundred two thousand, three hundred forty-five".
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