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10557288089 = 13777060497
BaseRepresentation
bin10011101010100001…
…10110111010011001
31000020202101210122222
421311100312322121
5133110131204324
64503331153425
7522422316365
oct116520667231
930222353588
1010557288089
11452834a887
122067745875
13cc32b003a
1472218c2a5
1541bc9055e
hex275436e99

10557288089 has 4 divisors (see below), whose sum is σ = 10634348724. Its totient is φ = 10480227456.

The previous prime is 10557288073. The next prime is 10557288109. The reversal of 10557288089 is 98088275501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3171604489 + 7385683600 = 56317^2 + 85940^2 .

It is a cyclic number.

It is not a de Polignac number, because 10557288089 - 24 = 10557288073 is a prime.

It is a super-2 number, since 2×105572880892 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10557288089.

It is not an unprimeable number, because it can be changed into a prime (10557288019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38530112 + ... + 38530385.

It is an arithmetic number, because the mean of its divisors is an integer number (2658587181).

Almost surely, 210557288089 is an apocalyptic number.

It is an amenable number.

10557288089 is a deficient number, since it is larger than the sum of its proper divisors (77060635).

10557288089 is an equidigital number, since it uses as much as digits as its factorization.

10557288089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77060634.

The product of its (nonzero) digits is 1612800, while the sum is 53.

The spelling of 10557288089 in words is "ten billion, five hundred fifty-seven million, two hundred eighty-eight thousand, eighty-nine".

Divisors: 1 137 77060497 10557288089