Base | Representation |
---|---|
bin | 1010010001100101… |
… | …1110100100010001 |
3 | 21010012221010211202 |
4 | 2210121132210101 |
5 | 21122041022400 |
6 | 1133404320545 |
7 | 125230551656 |
oct | 24431364421 |
9 | 7105833752 |
10 | 2758142225 |
11 | 1195999093 |
12 | 64b843155 |
13 | 34c562c27 |
14 | 1c2449c2d |
15 | 11221c4d5 |
hex | a465e911 |
2758142225 has 12 divisors (see below), whose sum is σ = 3445064844. Its totient is φ = 2190405120.
The previous prime is 2758142173. The next prime is 2758142227. The reversal of 2758142225 is 5222418572.
It can be written as a sum of positive squares in 6 ways, for example, as 7349521 + 2750792704 = 2711^2 + 52448^2 .
It is not a de Polignac number, because 2758142225 - 210 = 2758141201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2758142227) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399224 + ... + 406073.
It is an arithmetic number, because the mean of its divisors is an integer number (287088737).
Almost surely, 22758142225 is an apocalyptic number.
2758142225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2758142225 is a deficient number, since it is larger than the sum of its proper divisors (686922619).
2758142225 is a wasteful number, since it uses less digits than its factorization.
2758142225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 805444 (or 805439 counting only the distinct ones).
The product of its digits is 89600, while the sum is 38.
The square root of 2758142225 is about 52518.0180985536. The cubic root of 2758142225 is about 1402.4010201679.
The spelling of 2758142225 in words is "two billion, seven hundred fifty-eight million, one hundred forty-two thousand, two hundred twenty-five".
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