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1312544222553 = 323227721111621
BaseRepresentation
bin10011000110011001101…
…110110110110101011001
311122110220110111222120110
4103012121232312311121
5133001042310110203
62442550253514533
7163554032544654
oct23063156666531
94573813458513
101312544222553
11466712aa5273
121924684a2a49
1396a06c28835
144775559089b
1524220346d03
hex13199bb6d59

1312544222553 has 32 divisors (see below), whose sum is σ = 1834605407232. Its totient is φ = 833110308800.

The previous prime is 1312544222527. The next prime is 1312544222569. The reversal of 1312544222553 is 3552224452131.

It is a cyclic number.

It is not a de Polignac number, because 1312544222553 - 212 = 1312544218457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1312544222053) 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 31 ways as a sum of consecutive naturals, for example, 112940083 + ... + 112951703.

It is an arithmetic number, because the mean of its divisors is an integer number (57331418976).

Almost surely, 21312544222553 is an apocalyptic number.

It is an amenable number.

1312544222553 is a deficient number, since it is larger than the sum of its proper divisors (522061184679).

1312544222553 is a wasteful number, since it uses less digits than its factorization.

1312544222553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19085.

The product of its digits is 288000, while the sum is 39.

Adding to 1312544222553 its reverse (3552224452131), we get a palindrome (4864768674684).

The spelling of 1312544222553 in words is "one trillion, three hundred twelve billion, five hundred forty-four million, two hundred twenty-two thousand, five hundred fifty-three".

Divisors: 1 3 23 69 227 681 5221 7211 11621 15663 21633 34863 165853 267283 497559 801849 1636897 2637967 4910691 7913901 37648631 60673241 83799031 112945893 182019723 251397093 1927377713 5782133139 19022380037 57067140111 437514740851 1312544222553