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11385957025 = 52213412
BaseRepresentation
bin10101001101010011…
…11110101010100001
31002101111200112202001
422212221332222201
5141304301111100
65121452324001
7552104015662
oct124651765241
932344615661
1011385957025
114913092043
122259173601
1310c5b900a1
147a025b369
154698cbd6a
hex2a6a7eaa1

11385957025 has 9 divisors (see below), whose sum is σ = 14119248313. Its totient is φ = 9108338800.

The previous prime is 11385956993. The next prime is 11385957049. The reversal of 11385957025 is 52075958311.

The square root of 11385957025 is 106705.

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 3367829089 + 8018127936 = 58033^2 + 89544^2 .

It is not a de Polignac number, because 11385957025 - 25 = 11385956993 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, 522855 + ... + 544195.

Almost surely, 211385957025 is an apocalyptic number.

11385957025 is the 106705-th square number.

11385957025 is the 53353-rd centered octagonal number.

It is an amenable number.

11385957025 is a deficient number, since it is larger than the sum of its proper divisors (2733291288).

11385957025 is an frugal number, since it uses more digits than its factorization.

11385957025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42692 (or 21346 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 46.

The spelling of 11385957025 in words is "eleven billion, three hundred eighty-five million, nine hundred fifty-seven thousand, twenty-five".

Divisors: 1 5 25 21341 106705 533525 455438281 2277191405 11385957025