Search a number
-
+
105200015222442 = 23713729182443169
BaseRepresentation
bin10111111010110111001001…
…100010011010011010101010
3111210111000121221100201110110
4113322313021202122122222
5102242044112344104232
61011424115251355150
731105310306221620
oct2772671142323252
9453430557321413
10105200015222442
113057a092041768
12b9705742b2ab6
13469141b72902a
141bd99ca6bd510
15c26761970acc
hex5fadc989a6aa

105200015222442 has 32 divisors (see below), whose sum is σ = 240474693513600. Its totient is φ = 30054957723648.

The previous prime is 105200015222381. The next prime is 105200015222447. The reversal of 105200015222442 is 244222510002501.

It is a super-2 number, since 2×1052000152224422 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105200015222447) 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, 90644967 + ... + 91798202.

It is an arithmetic number, because the mean of its divisors is an integer number (7514834172300).

Almost surely, 2105200015222442 is an apocalyptic number.

105200015222442 is an abundant number, since it is smaller than the sum of its proper divisors (135274678291158).

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

105200015222442 is a wasteful number, since it uses less digits than its factorization.

105200015222442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182456910.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 105200015222442 its reverse (244222510002501), we get a palindrome (349422525224943).

The spelling of 105200015222442 in words is "one hundred five trillion, two hundred billion, fifteen million, two hundred twenty-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 13729 27458 41187 82374 96103 192206 288309 576618 182443169 364886338 547329507 1094659014 1277102183 2554204366 3831306549 7662613098 2504762267201 5009524534402 7514286801603 15028573603206 17533335870407 35066671740814 52600007611221 105200015222442