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45144241349 = 67673794647
BaseRepresentation
bin101010000010110011…
…100111010011000101
311022112011212001222212
4222002303213103011
51214423411210344
632423341433205
73155500501664
oct520263472305
9138464761885
1045144241349
1118166824779
1288ba86b805
134345a74b5c
142283898ddb
15129343179e
hexa82ce74c5

45144241349 has 4 divisors (see below), whose sum is σ = 45818036064. Its totient is φ = 44470446636.

The previous prime is 45144241327. The next prime is 45144241361. The reversal of 45144241349 is 94314244154.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45144241349 is a prime.

It is a super-2 number, since 2×451442413492 (a number of 22 digits) 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 (45144241379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336897257 + ... + 336897390.

It is an arithmetic number, because the mean of its divisors is an integer number (11454509016).

Almost surely, 245144241349 is an apocalyptic number.

It is an amenable number.

45144241349 is a deficient number, since it is larger than the sum of its proper divisors (673794715).

45144241349 is an equidigital number, since it uses as much as digits as its factorization.

45144241349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673794714.

The product of its digits is 276480, while the sum is 41.

The spelling of 45144241349 in words is "forty-five billion, one hundred forty-four million, two hundred forty-one thousand, three hundred forty-nine".

Divisors: 1 67 673794647 45144241349