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20013055542773 = 39163511019471
BaseRepresentation
bin1001000110011101001110…
…00100010000010111110101
32121212020012020202210110222
410203032213010100113311
510110343214204332043
6110321512031424125
74133616113220536
oct443164704202765
977766166683428
1020013055542773
116416542129607
1222b27b7985045
13b222b9031987
144d28cc12468d
1524a8bb109d68
hex1233a71105f5

20013055542773 has 4 divisors (see below), whose sum is σ = 20013566601408. Its totient is φ = 20012544484140.

The previous prime is 20013055542757. The next prime is 20013055542829. The reversal of 20013055542773 is 37724555031002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20013055542773 - 24 = 20013055542757 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 (20013055542703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255470573 + ... + 255548898.

It is an arithmetic number, because the mean of its divisors is an integer number (5003391650352).

Almost surely, 220013055542773 is an apocalyptic number.

It is an amenable number.

20013055542773 is a deficient number, since it is larger than the sum of its proper divisors (511058635).

20013055542773 is an equidigital number, since it uses as much as digits as its factorization.

20013055542773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511058634.

The product of its (nonzero) digits is 882000, while the sum is 44.

The spelling of 20013055542773 in words is "twenty trillion, thirteen billion, fifty-five million, five hundred forty-two thousand, seven hundred seventy-three".

Divisors: 1 39163 511019471 20013055542773