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213110042200 = 235211211459091
BaseRepresentation
bin1100011001111001011…
…0010010111001011000
3202101002000010211110221
43012132112102321120
511442422132322300
6241522411445424
721253031320246
oct3063626227130
9671060124427
10213110042200
118241a076a20
1235376156874
131713343c4b3
14a4592d3796
1558243b131a
hex319e592e58

213110042200 has 96 divisors (see below), whose sum is σ = 543087472320. Its totient is φ = 77127120000.

The previous prime is 213110042183. The next prime is 213110042203. The reversal of 213110042200 is 2240011312.

213110042200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213110042203) 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 23 ways as a sum of consecutive naturals, for example, 234655 + ... + 693745.

It is an arithmetic number, because the mean of its divisors is an integer number (5657161170).

Almost surely, 2213110042200 is an apocalyptic number.

213110042200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213110042200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271543736160).

213110042200 is an abundant number, since it is smaller than the sum of its proper divisors (329977430120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213110042200 is a wasteful number, since it uses less digits than its factorization.

213110042200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459329 (or 459320 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 213110042200 its reverse (2240011312), we get a palindrome (215350053512).

The spelling of 213110042200 in words is "two hundred thirteen billion, one hundred ten million, forty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 200 211 220 275 422 440 550 844 1055 1100 1688 2110 2200 2321 4220 4642 5275 8440 9284 10550 11605 18568 21100 23210 42200 46420 58025 92840 116050 232100 459091 464200 918182 1836364 2295455 3672728 4590910 5050001 9181820 10100002 11477275 18363640 20200004 22954550 25250005 40400008 45909100 50500010 91818200 96868201 101000020 126250025 193736402 202000040 252500050 387472804 484341005 505000100 774945608 968682010 1010000200 1065550211 1937364020 2131100422 2421705025 3874728040 4262200844 4843410050 5327751055 8524401688 9686820100 10655502110 19373640200 21311004220 26638755275 42622008440 53277510550 106555021100 213110042200