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213551288203 = 1187722136549
BaseRepresentation
bin1100011011100010100…
…1100000111110001011
3202102012202102110012111
43012320221200332023
511444323112210303
6242034253123151
721266666666611
oct3067051407613
9672182373174
10213551288203
1182626153640
1235479a894b7
13171a39927c6
14a49bb536b1
15584cec0b6d
hex31b8a60f8b

213551288203 has 8 divisors (see below), whose sum is σ = 233230690800. Its totient is φ = 193916160480.

The previous prime is 213551288113. The next prime is 213551288207. The reversal of 213551288203 is 302882155312.

213551288203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-213551288203 is a prime.

It is a super-4 number, since 4×2135512882034 (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213551288207) 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, 11058628 + ... + 11077921.

It is an arithmetic number, because the mean of its divisors is an integer number (29153836350).

Almost surely, 2213551288203 is an apocalyptic number.

213551288203 is a deficient number, since it is larger than the sum of its proper divisors (19679402597).

213551288203 is a wasteful number, since it uses less digits than its factorization.

213551288203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22137437.

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 213551288203 in words is "two hundred thirteen billion, five hundred fifty-one million, two hundred eighty-eight thousand, two hundred three".

Divisors: 1 11 877 9647 22136549 243502039 19413753473 213551288203