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2931486708553 = 13478574711933
BaseRepresentation
bin101010101010001010001…
…110010101001101001001
3101101020200100102110022021
4222222022032111031021
5341012141044133203
610122412325524441
7421535654613514
oct52521216251511
911336610373267
102931486708553
11a30266906867
123b4184b73721
13183590402a70
14a1c55923d7b
15513c49045bd
hex2aa8a395349

2931486708553 has 8 divisors (see below), whose sum is σ = 3157052323208. Its totient is φ = 2705930613504.

The previous prime is 2931486708547. The next prime is 2931486708571. The reversal of 2931486708553 is 3558076841392.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 384261132544 + 2547225576009 = 619888^2 + 1596003^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2931486708553 is a prime.

It is a super-2 number, since 2×29314867085532 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2931486708491 and 2931486708500.

It is not an unprimeable number, because it can be changed into a prime (2931486700553) 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 7 ways as a sum of consecutive naturals, for example, 1733826 + ... + 2978107.

It is an arithmetic number, because the mean of its divisors is an integer number (394631540401).

It is a 2-persistent number, because it is pandigital, and so is 2⋅2931486708553 = 5862973417106, but 3⋅2931486708553 = 8794460125659 is not.

Almost surely, 22931486708553 is an apocalyptic number.

It is an amenable number.

2931486708553 is a deficient number, since it is larger than the sum of its proper divisors (225565614655).

2931486708553 is a wasteful number, since it uses less digits than its factorization.

2931486708553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4759803.

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 2931486708553 in words is "two trillion, nine hundred thirty-one billion, four hundred eighty-six million, seven hundred eight thousand, five hundred fifty-three".

Divisors: 1 13 47857 622141 4711933 61255129 225498977581 2931486708553