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1144502013 = 3381500671
BaseRepresentation
bin100010000110111…
…1011011011111101
32221202120201121110
41010031323123331
54320443031023
6305322352233
740235051364
oct10415733375
92852521543
101144502013
11538050336
1227b35b679
13153162735
14ac0047db
156a726a93
hex4437b6fd

1144502013 has 4 divisors (see below), whose sum is σ = 1526002688. Its totient is φ = 763001340.

The previous prime is 1144501961. The next prime is 1144502017. The reversal of 1144502013 is 3102054411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1144502013 - 230 = 70760189 is a prime.

It is a super-2 number, since 2×11445020132 = 2619769715522104338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144502017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190750333 + ... + 190750338.

It is an arithmetic number, because the mean of its divisors is an integer number (381500672).

Almost surely, 21144502013 is an apocalyptic number.

It is an amenable number.

1144502013 is a deficient number, since it is larger than the sum of its proper divisors (381500675).

1144502013 is an equidigital number, since it uses as much as digits as its factorization.

1144502013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381500674.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1144502013 is about 33830.4893993569. The cubic root of 1144502013 is about 1046.0172669273.

Adding to 1144502013 its reverse (3102054411), we get a palindrome (4246556424).

The spelling of 1144502013 in words is "one billion, one hundred forty-four million, five hundred two thousand, thirteen".

Divisors: 1 3 381500671 1144502013