Search a number
-
+
210220311043 = 1949122534067
BaseRepresentation
bin1100001111001000011…
…0110110001000000011
3202002121121121021120001
43003302012312020003
511421012344423133
6240323542500431
721121312106131
oct3036206661003
9662547537501
10210220311043
1181176981156
12348aa434717
1316a928557c2
14a2635d2751
15570584e87d
hex30f21b6203

210220311043 has 8 divisors (see below), whose sum is σ = 221735229120. Its totient is φ = 198750462120.

The previous prime is 210220311013. The next prime is 210220311071. The reversal of 210220311043 is 340113022012.

It is a happy number.

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 210220311043 - 217 = 210220179971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210220311043.

It is not an unprimeable number, because it can be changed into a prime (210220311013) 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, 11257705 + ... + 11276362.

It is an arithmetic number, because the mean of its divisors is an integer number (27716903640).

Almost surely, 2210220311043 is an apocalyptic number.

210220311043 is a deficient number, since it is larger than the sum of its proper divisors (11514918077).

210220311043 is a wasteful number, since it uses less digits than its factorization.

210220311043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22534577.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 210220311043 its reverse (340113022012), we get a palindrome (550333333055).

The spelling of 210220311043 in words is "two hundred ten billion, two hundred twenty million, three hundred eleven thousand, forty-three".

Divisors: 1 19 491 9329 22534067 428147273 11064226897 210220311043