Base | Representation |
---|---|
bin | 111100001101010… |
… | …100000100010001 |
3 | 2121101201120021220 |
4 | 330031110010101 |
5 | 4032042414100 |
6 | 244122235253 |
7 | 34013622042 |
oct | 7415240421 |
9 | 2541646256 |
10 | 1010123025 |
11 | 47920841a |
12 | 242355b29 |
13 | 131372a42 |
14 | 982248c9 |
15 | 5da30aa0 |
hex | 3c354111 |
1010123025 has 24 divisors (see below), whose sum is σ = 1701587520. Its totient is φ = 528565440.
The previous prime is 1010122999. The next prime is 1010123029. The reversal of 1010123025 is 5203210101.
It is not a de Polignac number, because 1010123025 - 28 = 1010122769 is a prime.
It is a super-4 number, since 4×10101230254 (a number of 37 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 1010122995 and 1010123013.
It is not an unprimeable number, because it can be changed into a prime (1010123029) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123085 + ... + 131034.
It is an arithmetic number, because the mean of its divisors is an integer number (70899480).
Almost surely, 21010123025 is an apocalyptic number.
1010123025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1010123025 is a deficient number, since it is larger than the sum of its proper divisors (691464495).
1010123025 is a wasteful number, since it uses less digits than its factorization.
1010123025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 254185 (or 254180 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 15.
The square root of 1010123025 is about 31782.4326476121. The cubic root of 1010123025 is about 1003.3630190908.
Adding to 1010123025 its reverse (5203210101), we get a palindrome (6213333126).
The spelling of 1010123025 in words is "one billion, ten million, one hundred twenty-three thousand, twenty-five".
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