Search a number
-
+
213042545533 = 2368897134443
BaseRepresentation
bin1100011001101001010…
…0110100001101111101
3202100220022010122110101
43012122110310031331
511442302342424113
6241512001041101
721251251521046
oct3063224641575
9670808118411
10213042545533
1182394a65754
1235357626191
131712246923c
14a4503638cd
15581d4cc2dd
hex319a53437d

213042545533 has 8 divisors (see below), whose sum is σ = 222310145088. Its totient is φ = 203775352704.

The previous prime is 213042545519. The next prime is 213042545561. The reversal of 213042545533 is 335545240312.

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

It is a cyclic number.

It is not a de Polignac number, because 213042545533 - 25 = 213042545501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213042545492 and 213042545501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213042545503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1517410 + ... + 1651852.

It is an arithmetic number, because the mean of its divisors is an integer number (27788768136).

Almost surely, 2213042545533 is an apocalyptic number.

213042545533 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

213042545533 is a deficient number, since it is larger than the sum of its proper divisors (9267599555).

213042545533 is a wasteful number, since it uses less digits than its factorization.

213042545533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203363.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 213042545533 its reverse (335545240312), we get a palindrome (548587785845).

The spelling of 213042545533 in words is "two hundred thirteen billion, forty-two million, five hundred forty-five thousand, five hundred thirty-three".

Divisors: 1 23 68897 134443 1584631 3092189 9262719371 213042545533