Base | Representation |
---|---|
bin | 110000000100000011… |
… | …0001101100010011001 |
3 | 100212102020100101000102 |
4 | 1200020012031202121 |
5 | 3142341023424040 |
6 | 115225532545145 |
7 | 10312523354420 |
oct | 1401006154231 |
9 | 325366311012 |
10 | 103215061145 |
11 | 3a856236129 |
12 | 180066221b5 |
13 | 996b9226a1 |
14 | 4dd204a2b7 |
15 | 2a41610515 |
hex | 180818d899 |
103215061145 has 16 divisors (see below), whose sum is σ = 149878677888. Its totient is φ = 66612744960.
The previous prime is 103215061123. The next prime is 103215061171. The reversal of 103215061145 is 541160512301.
It is not a de Polignac number, because 103215061145 - 214 = 103215044761 is a prime.
It is a super-2 number, since 2×1032150611452 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86734751 + ... + 86735940.
It is an arithmetic number, because the mean of its divisors is an integer number (9367417368).
Almost surely, 2103215061145 is an apocalyptic number.
It is an amenable number.
103215061145 is a deficient number, since it is larger than the sum of its proper divisors (46663616743).
103215061145 is a wasteful number, since it uses less digits than its factorization.
103215061145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 173470720.
The product of its (nonzero) digits is 3600, while the sum is 29.
Adding to 103215061145 its reverse (541160512301), we get a palindrome (644375573446).
The spelling of 103215061145 in words is "one hundred three billion, two hundred fifteen million, sixty-one thousand, one hundred forty-five".
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