Base | Representation |
---|---|
bin | 111010001110000010… |
… | …0101110010101100101 |
3 | 102221201012200200221200 |
4 | 1310130010232111211 |
5 | 4022022403131010 |
6 | 133234040433113 |
7 | 12014144256540 |
oct | 1643404562545 |
9 | 387635620850 |
10 | 125025052005 |
11 | 49028423067 |
12 | 20292778799 |
13 | ba362a7a19 |
14 | 60a0889857 |
15 | 33bb209cc0 |
hex | 1d1c12e565 |
125025052005 has 192 divisors, whose sum is σ = 265254912000. Its totient is φ = 53207870976.
The previous prime is 125025051997. The next prime is 125025052013. The reversal of 125025052005 is 500250520521.
It is an interprime number because it is at equal distance from previous prime (125025051997) and next prime (125025052013).
It is not a de Polignac number, because 125025052005 - 23 = 125025051997 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 125025052005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 127186744 + ... + 127187726.
It is an arithmetic number, because the mean of its divisors is an integer number (1381536000).
Almost surely, 2125025052005 is an apocalyptic number.
125025052005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
125025052005 is an abundant number, since it is smaller than the sum of its proper divisors (140229859995).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125025052005 is a wasteful number, since it uses less digits than its factorization.
125025052005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1368 (or 1365 counting only the distinct ones).
The product of its (nonzero) digits is 5000, while the sum is 27.
Adding to 125025052005 its reverse (500250520521), we get a palindrome (625275572526).
The spelling of 125025052005 in words is "one hundred twenty-five billion, twenty-five million, fifty-two thousand, five".
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