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11057574025 = 52210312
BaseRepresentation
bin10100100110001010…
…10011000010001001
31001112121202221221201
422103011103002021
5140121214332100
65025122104201
7541005554101
oct122305230211
931477687851
1011057574025
114764792033
1221871ab061
131072b35314
1476c7ba201
1544ab6336a
hex293153089

11057574025 has 9 divisors (see below), whose sum is σ = 13712043783. Its totient is φ = 8845638600.

The previous prime is 11057574023. The next prime is 11057574037. The reversal of 11057574025 is 52047575011.

The square root of 11057574025 is 105155.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3980726649 + 7076847376 = 63093^2 + 84124^2 .

It is not a de Polignac number, because 11057574025 - 21 = 11057574023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11057574023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 515260 + ... + 536290.

Almost surely, 211057574025 is an apocalyptic number.

11057574025 is the 105155-th square number.

11057574025 is the 52578-th centered octagonal number.

It is an amenable number.

11057574025 is a deficient number, since it is larger than the sum of its proper divisors (2654469758).

11057574025 is an frugal number, since it uses more digits than its factorization.

11057574025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42072 (or 21036 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 37.

The spelling of 11057574025 in words is "eleven billion, fifty-seven million, five hundred seventy-four thousand, twenty-five".

Divisors: 1 5 25 21031 105155 525775 442302961 2211514805 11057574025