Base | Representation |
---|---|
bin | 100000010110110010011000… |
… | …011010011010100101000011 |
3 | 200122212001222120010211011211 |
4 | 200112302120122122211003 |
5 | 122122444342324400030 |
6 | 1222353141412350551 |
7 | 41655040150063153 |
oct | 4026623032324503 |
9 | 618761876124154 |
10 | 142303413512515 |
11 | 413845a20a3852 |
12 | 13b63431315457 |
13 | 615320104aa58 |
14 | 271d7443a6763 |
15 | 116b98969e12a |
hex | 816c9869a943 |
142303413512515 has 8 divisors (see below), whose sum is σ = 170794465108128. Its totient is φ = 113822484881280.
The previous prime is 142303413512501. The next prime is 142303413512539. The reversal of 142303413512515 is 515215314303241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-142303413512515 is a prime.
It is a super-2 number, since 2×1423034135125152 (a number of 29 digits) contains 22 as substring.
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, 2530710166 + ... + 2530766395.
It is an arithmetic number, because the mean of its divisors is an integer number (21349308138516).
Almost surely, 2142303413512515 is an apocalyptic number.
142303413512515 is a deficient number, since it is larger than the sum of its proper divisors (28491051595613).
142303413512515 is an equidigital number, since it uses as much as digits as its factorization.
142303413512515 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5061482189.
The product of its (nonzero) digits is 216000, while the sum is 40.
Adding to 142303413512515 its reverse (515215314303241), we get a palindrome (657518727815756).
The spelling of 142303413512515 in words is "one hundred forty-two trillion, three hundred three billion, four hundred thirteen million, five hundred twelve thousand, five hundred fifteen".
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