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1144413101 = 1388031777
BaseRepresentation
bin100010000110110…
…0101101110101101
32221202102012122102
41010031211232231
54320432204401
6305320424445
740234231226
oct10415455655
92852365572
101144413101
11537a9a557
1227b318125
13153131120
14abdc024d
156a70a56b
hex44365bad

1144413101 has 4 divisors (see below), whose sum is σ = 1232444892. Its totient is φ = 1056381312.

The previous prime is 1144413059. The next prime is 1144413107. The reversal of 1144413101 is 1013144411.

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 715509001 + 428904100 = 26749^2 + 20710^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144413101 - 230 = 70671277 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 (1144413107) 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, 44015876 + ... + 44015901.

It is an arithmetic number, because the mean of its divisors is an integer number (308111223).

Almost surely, 21144413101 is an apocalyptic number.

It is an amenable number.

1144413101 is a deficient number, since it is larger than the sum of its proper divisors (88031791).

1144413101 is an equidigital number, since it uses as much as digits as its factorization.

1144413101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88031790.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1144413101 is about 33829.1752929332. The cubic root of 1144413101 is about 1045.9901791941.

Adding to 1144413101 its reverse (1013144411), we get a palindrome (2157557512).

The spelling of 1144413101 in words is "one billion, one hundred forty-four million, four hundred thirteen thousand, one hundred one".

Divisors: 1 13 88031777 1144413101