Base | Representation |
---|---|
bin | 101000001000000000011… |
… | …100100010101101010001 |
3 | 100202121021022022202010101 |
4 | 220020000130202231101 |
5 | 330134101340024400 |
6 | 5510415443332401 |
7 | 403133234263054 |
oct | 50100034425521 |
9 | 10677238282111 |
10 | 2757376486225 |
11 | 973440161839 |
12 | 386493981101 |
13 | 170033a7497a |
14 | 9765a044a9b |
15 | 4bad431056a |
hex | 28200722b51 |
2757376486225 has 27 divisors (see below), whose sum is σ = 3450846705553. Its totient is φ = 2185636019840.
The previous prime is 2757376486223. The next prime is 2757376486231. The reversal of 2757376486225 is 5226846737572.
The square root of 2757376486225 is 1660535.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 1402843629889 + 1354532856336 = 1184417^2 + 1163844^2 .
It is not a de Polignac number, because 2757376486225 - 21 = 2757376486223 is a prime.
It is a super-2 number, since 2×27573764862252 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2757376486223) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 938200806 + ... + 938203744.
Almost surely, 22757376486225 is an apocalyptic number.
2757376486225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2757376486225 is the 1660535-th square number.
2757376486225 is the 830268-th centered octagonal number.
It is an amenable number.
2757376486225 is a deficient number, since it is larger than the sum of its proper divisors (693470219328).
2757376486225 is an frugal number, since it uses more digits than its factorization.
2757376486225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6114 (or 3057 counting only the distinct ones).
The product of its digits is 237081600, while the sum is 64.
Multiplying 2757376486225 by its sum of digits (64), we get a square (176472095118400 = 132842802).
It can be divided in two parts, 2757376 and 486225, that added together give a square (3243601 = 18012).
The spelling of 2757376486225 in words is "two trillion, seven hundred fifty-seven billion, three hundred seventy-six million, four hundred eighty-six thousand, two hundred twenty-five".
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