Search a number
-
+
100243412444 = 22719188427467
BaseRepresentation
bin101110101011011111…
…0010001010111011100
3100120202010122222100102
41131112332101113130
53120244303144234
6114015020120232
710146060642530
oct1352676212734
9316663588312
10100243412444
113957087a50a
1217517396078
1395b7086886
144bcd503bc0
15291a7bbc7e
hex1756f915dc

100243412444 has 24 divisors (see below), whose sum is σ = 211038764160. Its totient is φ = 40700332656.

The previous prime is 100243412441. The next prime is 100243412447. The reversal of 100243412444 is 444214342001.

It is an interprime number because it is at equal distance from previous prime (100243412441) and next prime (100243412447).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100243412441) 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, 94213202 + ... + 94214265.

It is an arithmetic number, because the mean of its divisors is an integer number (8793281840).

Almost surely, 2100243412444 is an apocalyptic number.

100243412444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

100243412444 is an abundant number, since it is smaller than the sum of its proper divisors (110795351716).

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

100243412444 is a wasteful number, since it uses less digits than its factorization.

100243412444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188427497 (or 188427495 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 100243412444 its reverse (444214342001), we get a palindrome (544457754445).

The spelling of 100243412444 in words is "one hundred billion, two hundred forty-three million, four hundred twelve thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 188427467 376854934 753709868 1318992269 2637984538 3580121873 5275969076 7160243746 14320487492 25060853111 50121706222 100243412444