Base | Representation |
---|---|
bin | 1000011000101011… |
… | …1000100100110011 |
3 | 12210212122122122122 |
4 | 2012022320210303 |
5 | 14102224000430 |
6 | 1011210424455 |
7 | 106532120360 |
oct | 20612704463 |
9 | 5725578578 |
10 | 2251000115 |
11 | a556a3781 |
12 | 529a3212b |
13 | 29b47a040 |
14 | 174d55467 |
15 | d2942ee5 |
hex | 862b8933 |
2251000115 has 32 divisors (see below), whose sum is σ = 3354051456. Its totient is φ = 1412167680.
The previous prime is 2251000079. The next prime is 2251000121. The reversal of 2251000115 is 5110001522.
It is not a de Polignac number, because 2251000115 - 214 = 2250983731 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2251000093 and 2251000102.
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, 29525 + ... + 73305.
It is an arithmetic number, because the mean of its divisors is an integer number (104814108).
Almost surely, 22251000115 is an apocalyptic number.
2251000115 is a deficient number, since it is larger than the sum of its proper divisors (1103051341).
2251000115 is a wasteful number, since it uses less digits than its factorization.
2251000115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43919.
The product of its (nonzero) digits is 100, while the sum is 17.
The square root of 2251000115 is about 47444.7058690430. The cubic root of 2251000115 is about 1310.5648196621.
Adding to 2251000115 its reverse (5110001522), we get a palindrome (7361001637).
The spelling of 2251000115 in words is "two billion, two hundred fifty-one million, one hundred fifteen", and thus it is an aban number.
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