Search a number
-
+
210220200023 = 17432129135077
BaseRepresentation
bin1100001111001000011…
…0011011000001010111
3202002121121101122021012
43003302012123001113
511421012332400043
6240323540242435
721121311134351
oct3036206330127
9662547348235
10210220200023
11811769057a9
12348aa3a041b
1316a92817102
14a2635a40d1
15570582ba18
hex30f219b057

210220200023 has 16 divisors (see below), whose sum is σ = 227871182880. Its totient is φ = 193160841216.

The previous prime is 210220199993. The next prime is 210220200079. The reversal of 210220200023 is 320002022012.

It is a cyclic number.

It is not a de Polignac number, because 210220200023 - 220 = 210219151447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210220199980 and 210220200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210220200823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1488761 + ... + 1623837.

It is an arithmetic number, because the mean of its divisors is an integer number (14241948930).

Almost surely, 2210220200023 is an apocalyptic number.

210220200023 is a deficient number, since it is larger than the sum of its proper divisors (17650982857).

210220200023 is a wasteful number, since it uses less digits than its factorization.

210220200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137266.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 210220200023 its reverse (320002022012), we get a palindrome (530222222035).

The spelling of 210220200023 in words is "two hundred ten billion, two hundred twenty million, two hundred thousand, twenty-three".

Divisors: 1 17 43 731 2129 36193 91547 135077 1556299 2296309 5808311 98741287 287578933 4888841861 12365894119 210220200023