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1144133101 = 5321587417
BaseRepresentation
bin100010000110010…
…0001010111101101
32221201212222120001
41010030201113231
54320344224401
6305310424301
740231654006
oct10414412755
92851788501
101144133101
11537919151
1227b202091
13153063847
14abd4a1ad
156a6a2601
hex443215ed

1144133101 has 4 divisors (see below), whose sum is σ = 1165720572. Its totient is φ = 1122545632.

The previous prime is 1144133093. The next prime is 1144133117. The reversal of 1144133101 is 1013314411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1013314411 = 1609629779.

It can be written as a sum of positive squares in 2 ways, for example, as 672157476 + 471975625 = 25926^2 + 21725^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144133101 - 23 = 1144133093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144133401) 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, 10793656 + ... + 10793761.

It is an arithmetic number, because the mean of its divisors is an integer number (291430143).

Almost surely, 21144133101 is an apocalyptic number.

It is an amenable number.

1144133101 is a deficient number, since it is larger than the sum of its proper divisors (21587471).

1144133101 is an equidigital number, since it uses as much as digits as its factorization.

1144133101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21587470.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1144133101 is about 33825.0366001280. The cubic root of 1144133101 is about 1045.9048658461.

Adding to 1144133101 its reverse (1013314411), we get a palindrome (2157447512).

The spelling of 1144133101 in words is "one billion, one hundred forty-four million, one hundred thirty-three thousand, one hundred one".

Divisors: 1 53 21587417 1144133101