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1302144323 = 13137926227
BaseRepresentation
bin100110110011101…
…0010010101000011
310100202012210012112
41031213102111003
510131322104243
6333113245535
744161021064
oct11547222503
93322183175
101302144323
11609032337
123041038ab
13179a08ccc
14c4d1c56b
15794b5818
hex4d9d2543

1302144323 has 8 divisors (see below), whose sum is σ = 1315596480. Its totient is φ = 1288745640.

The previous prime is 1302144307. The next prime is 1302144391. The reversal of 1302144323 is 3234412031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1302144323 - 24 = 1302144307 is a prime.

It is a super-2 number, since 2×13021443232 = 3391159675842256658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302164323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36536 + ... + 62762.

It is an arithmetic number, because the mean of its divisors is an integer number (164449560).

Almost surely, 21302144323 is an apocalyptic number.

1302144323 is a deficient number, since it is larger than the sum of its proper divisors (13452157).

1302144323 is a wasteful number, since it uses less digits than its factorization.

1302144323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26737.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1302144323 is about 36085.2369120670. The cubic root of 1302144323 is about 1091.9926300562.

Adding to 1302144323 its reverse (3234412031), we get a palindrome (4536556354).

The spelling of 1302144323 in words is "one billion, three hundred two million, one hundred forty-four thousand, three hundred twenty-three".

Divisors: 1 131 379 26227 49649 3435737 9940033 1302144323