Base | Representation |
---|---|
bin | 110000000010001111… |
… | …0011110010010011001 |
3 | 100212021000001000022212 |
4 | 1200010132132102121 |
5 | 3142230000443340 |
6 | 115215522524505 |
7 | 10311155121260 |
oct | 1400436362231 |
9 | 325230030285 |
10 | 103154312345 |
11 | 3a824a13707 |
12 | 17baa206735 |
13 | 995c172956 |
14 | 4dc7d555d7 |
15 | 2a3b110a65 |
hex | 180479e499 |
103154312345 has 32 divisors (see below), whose sum is σ = 143527507200. Its totient is φ = 69712459776.
The previous prime is 103154312293. The next prime is 103154312363. The reversal of 103154312345 is 543213451301.
It is a cyclic number.
It is not a de Polignac number, because 103154312345 - 218 = 103154050201 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 589121 + ... + 743889.
It is an arithmetic number, because the mean of its divisors is an integer number (4485234600).
Almost surely, 2103154312345 is an apocalyptic number.
It is an amenable number.
103154312345 is a deficient number, since it is larger than the sum of its proper divisors (40373194855).
103154312345 is a wasteful number, since it uses less digits than its factorization.
103154312345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155057.
The product of its (nonzero) digits is 21600, while the sum is 32.
Adding to 103154312345 its reverse (543213451301), we get a palindrome (646367763646).
The spelling of 103154312345 in words is "one hundred three billion, one hundred fifty-four million, three hundred twelve thousand, three hundred forty-five".
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