Base | Representation |
---|---|
bin | 1100010001111… |
… | …10001011010101 |
3 | 21011211201012000 |
4 | 12020332023111 |
5 | 202332441000 |
6 | 14115545513 |
7 | 2360420433 |
oct | 610761325 |
9 | 234751160 |
10 | 103015125 |
11 | 53170874 |
12 | 2a5bb299 |
13 | 1845acc5 |
14 | d977d53 |
15 | 909d000 |
hex | 623e2d5 |
103015125 has 64 divisors (see below), whose sum is σ = 192741120. Its totient is φ = 54288000.
The previous prime is 103015123. The next prime is 103015147. The reversal of 103015125 is 521510301.
It is not a de Polignac number, because 103015125 - 21 = 103015123 is a prime.
It is a super-2 number, since 2×1030151252 = 21224231957531250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 103015098 and 103015107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103015123) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 442009 + ... + 442241.
It is an arithmetic number, because the mean of its divisors is an integer number (3011580).
Almost surely, 2103015125 is an apocalyptic number.
103015125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
103015125 is a deficient number, since it is larger than the sum of its proper divisors (89725995).
103015125 is a wasteful number, since it uses less digits than its factorization.
103015125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 388 (or 372 counting only the distinct ones).
The product of its (nonzero) digits is 150, while the sum is 18.
The square root of 103015125 is about 10149.6366930053. The cubic root of 103015125 is about 468.7777583562. Note that the first 4 decimals are identical.
Adding to 103015125 its reverse (521510301), we get a palindrome (624525426).
The spelling of 103015125 in words is "one hundred three million, fifteen thousand, one hundred twenty-five".
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