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1313022101421 = 34631171807259
BaseRepresentation
bin10011000110110110001…
…101110100011110101101
311122112010202201202010210
4103012312031310132231
5133003032124221141
62443105524253033
7163601624466552
oct23066615643655
94575122652123
101313022101421
11466938822788
12192580541179
1396a81c36bb4
144779cc28a29
152424c290916
hex131b63747ad

1313022101421 has 16 divisors (see below), whose sum is σ = 1755977784320. Its totient is φ = 872710478640.

The previous prime is 1313022101381. The next prime is 1313022101441. The reversal of 1313022101421 is 1241012203131.

It is not a de Polignac number, because 1313022101421 - 29 = 1313022100909 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 (1313022101441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1222890 + ... + 2030148.

It is an arithmetic number, because the mean of its divisors is an integer number (109748611520).

Almost surely, 21313022101421 is an apocalyptic number.

It is an amenable number.

1313022101421 is a deficient number, since it is larger than the sum of its proper divisors (442955682899).

1313022101421 is a wasteful number, since it uses less digits than its factorization.

1313022101421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808896.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1313022101421 its reverse (1241012203131), we get a palindrome (2554034304552).

The spelling of 1313022101421 in words is "one trillion, three hundred thirteen billion, twenty-two million, one hundred one thousand, four hundred twenty-one".

Divisors: 1 3 463 1171 1389 3513 542173 807259 1626519 2421777 373760917 945300289 1121282751 2835900867 437674033807 1313022101421