Base | Representation |
---|---|
bin | 10010001110010011000… |
… | …010101010001100101111 |
3 | 11102201102002221220012101 |
4 | 102032103002222030233 |
5 | 131004203410243043 |
6 | 2355144431115531 |
7 | 156322136013460 |
oct | 22162302521457 |
9 | 4381362856171 |
10 | 1252302431023 |
11 | 44310a0906a6 |
12 | 182855672ba7 |
13 | 91126371247 |
14 | 4487c95ad67 |
15 | 2289678224d |
hex | 123930aa32f |
1252302431023 has 8 divisors (see below), whose sum is σ = 1431222706592. Its totient is φ = 1073387137536.
The previous prime is 1252302430993. The next prime is 1252302431041. The reversal of 1252302431023 is 3201342032521.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1252302431023 - 221 = 1252300333871 is a prime.
It is a super-2 number, since 2×12523024310232 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1252302430982 and 1252302431000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1252302431063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690390 + ... + 1726627.
It is an arithmetic number, because the mean of its divisors is an integer number (178902838324).
Almost surely, 21252302431023 is an apocalyptic number.
1252302431023 is a deficient number, since it is larger than the sum of its proper divisors (178920275569).
1252302431023 is an equidigital number, since it uses as much as digits as its factorization.
1252302431023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2491041.
The product of its (nonzero) digits is 8640, while the sum is 28.
Adding to 1252302431023 its reverse (3201342032521), we get a palindrome (4453644463544).
The spelling of 1252302431023 in words is "one trillion, two hundred fifty-two billion, three hundred two million, four hundred thirty-one thousand, twenty-three".
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