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12554082025 = 52224092
BaseRepresentation
bin10111011000100100…
…00001011011101001
31012101220201102222221
423230102001123221
5201202321111100
65433421314041
7623046636142
oct135422013351
935356642887
1012554082025
1153624a7701
122524405921
131250ba4004
14871450ac9
154d721d01a
hex2ec4816e9

12554082025 has 9 divisors (see below), whose sum is σ = 15567756421. Its totient is φ = 10042817440.

The previous prime is 12554082017. The next prime is 12554082041. The reversal of 12554082025 is 52028045521.

The square root of 12554082025 is 112045.

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 80766169 + 12473315856 = 8987^2 + 111684^2 .

It is not a de Polignac number, because 12554082025 - 23 = 12554082017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 549021 + ... + 571429.

Almost surely, 212554082025 is an apocalyptic number.

12554082025 is the 112045-th square number.

12554082025 is the 56023-rd centered octagonal number.

It is an amenable number.

12554082025 is a deficient number, since it is larger than the sum of its proper divisors (3013674396).

12554082025 is an frugal number, since it uses more digits than its factorization.

12554082025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44828 (or 22414 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 12554082025 in words is "twelve billion, five hundred fifty-four million, eighty-two thousand, twenty-five".

Divisors: 1 5 25 22409 112045 560225 502163281 2510816405 12554082025