Base | Representation |
---|---|
bin | 1110110110111101101… |
… | …1010110001001001001 |
3 | 220101220101021010011100 |
4 | 3231233123112021021 |
5 | 13140244230310100 |
6 | 313134235452013 |
7 | 24304614351051 |
oct | 3555733261111 |
9 | 811811233140 |
10 | 255272510025 |
11 | 9929574a055 |
12 | 415822b7009 |
13 | 1b0c2511c00 |
14 | c4d8b6c561 |
15 | 6990b4e400 |
hex | 3b6f6d6249 |
255272510025 has 81 divisors (see below), whose sum is σ = 495288917877. Its totient is φ = 125624116800.
The previous prime is 255272510023. The next prime is 255272510033. The reversal of 255272510025 is 520015272552.
The square root of 255272510025 is 505245.
It is a perfect power (a square), and thus also a powerful number.
255272510025 is a `hidden beast` number, since 2 + 5 + 52 + 72 + 510 + 0 + 25 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 65796867081 + 189475642944 = 256509^2 + 435288^2 .
It is not a de Polignac number, because 255272510025 - 21 = 255272510023 is a prime.
It is not an unprimeable number, because it can be changed into a prime (255272510023) by changing a digit.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 98521480 + ... + 98524070.
Almost surely, 2255272510025 is an apocalyptic number.
255272510025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
255272510025 is the 505245-th square number.
255272510025 is the 252623-rd centered octagonal number.
It is an amenable number.
255272510025 is a deficient number, since it is larger than the sum of its proper divisors (240016407852).
255272510025 is an equidigital number, since it uses as much as digits as its factorization.
255272510025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5224 (or 2612 counting only the distinct ones).
The product of its (nonzero) digits is 70000, while the sum is 36.
Multiplying 255272510025 by its sum of digits (36), we get a square (9189810360900 = 30314702).
Adding to 255272510025 its reverse (520015272552), we get a palindrome (775287782577).
The spelling of 255272510025 in words is "two hundred fifty-five billion, two hundred seventy-two million, five hundred ten thousand, twenty-five".
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