Search a number
-
+
220030113210 = 23553787175837
BaseRepresentation
bin1100110011101011010…
…0010001010110111010
3210000221021110212022020
43030322310101112322
512101110202110320
6245025212535310
721616360050345
oct3147264212672
9700837425266
10220030113210
1185350298776
1236787781536
131799700b47b
14a9143a545c
155acbb8c940
hex333ad115ba

220030113210 has 64 divisors (see below), whose sum is σ = 538722617472. Its totient is φ = 57494151936.

The previous prime is 220030113167. The next prime is 220030113217. The reversal of 220030113210 is 12311030022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220030113210.

It is not an unprimeable number, because it can be changed into a prime (220030113217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1163412 + ... + 1339248.

It is an arithmetic number, because the mean of its divisors is an integer number (8417540898).

Almost surely, 2220030113210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220030113210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269361308736).

220030113210 is an abundant number, since it is smaller than the sum of its proper divisors (318692504262).

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

220030113210 is a wasteful number, since it uses less digits than its factorization.

220030113210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176687.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 220030113210 its reverse (12311030022), we get a palindrome (232341143232).

The spelling of 220030113210 in words is "two hundred twenty billion, thirty million, one hundred thirteen thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 787 795 1574 1590 2361 3935 4722 7870 11805 23610 41711 83422 125133 175837 208555 250266 351674 417110 527511 625665 879185 1055022 1251330 1758370 2637555 5275110 9319361 18638722 27958083 46596805 55916166 93193610 138383719 139790415 276767438 279580830 415151157 691918595 830302314 1383837190 2075755785 4151511570 7334337107 14668674214 22003011321 36671685535 44006022642 73343371070 110015056605 220030113210