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1314144221 = 131093792447
BaseRepresentation
bin100111001010100…
…0011111111011101
310101120210102222012
41032111003333131
510142410103341
6334222401005
744365020155
oct11625037735
93346712865
101314144221
11614889005
12308130165
1317c34ac40
14c6763765
157a5860eb
hex4e543fdd

1314144221 has 16 divisors (see below), whose sum is σ = 1432569600. Its totient is φ = 1198266048.

The previous prime is 1314144197. The next prime is 1314144233. The reversal of 1314144221 is 1224414131.

It is a cyclic number.

It is not a de Polignac number, because 1314144221 - 222 = 1309949917 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 (1314144241) 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 15 ways as a sum of consecutive naturals, for example, 535820 + ... + 538266.

It is an arithmetic number, because the mean of its divisors is an integer number (89535600).

Almost surely, 21314144221 is an apocalyptic number.

It is an amenable number.

1314144221 is a deficient number, since it is larger than the sum of its proper divisors (118425379).

1314144221 is a wasteful number, since it uses less digits than its factorization.

1314144221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948.

The product of its digits is 768, while the sum is 23.

The square root of 1314144221 is about 36251.1271686826. The cubic root of 1314144221 is about 1095.3367940183.

Adding to 1314144221 its reverse (1224414131), we get a palindrome (2538558352).

The spelling of 1314144221 in words is "one billion, three hundred fourteen million, one hundred forty-four thousand, two hundred twenty-one".

Divisors: 1 13 109 379 1417 2447 4927 31811 41311 266723 537043 927413 3467399 12056369 101088017 1314144221