Search a number
-
+
105345142253 = 132863722299
BaseRepresentation
bin110001000011100001…
…1110100110111101101
3101001220200110200222022
41202013003310313231
53211221324023003
6120221143555525
710416356635421
oct1420703646755
9331820420868
10105345142253
114074964a63a
12184bba5bba5
139c1b013400
145154cc6b81
152b1861a738
hex18870f4ded

105345142253 has 12 divisors (see below), whose sum is σ = 114204297600. Its totient is φ = 97128856656.

The previous prime is 105345142193. The next prime is 105345142289. The reversal of 105345142253 is 352241543501.

It is not a de Polignac number, because 105345142253 - 210 = 105345141229 is a prime.

It is a super-2 number, since 2×1053451422532 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105345145253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215303 + ... + 506996.

It is an arithmetic number, because the mean of its divisors is an integer number (9517024800).

Almost surely, 2105345142253 is an apocalyptic number.

105345142253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

105345142253 is a deficient number, since it is larger than the sum of its proper divisors (8859155347).

105345142253 is an equidigital number, since it uses as much as digits as its factorization.

105345142253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723188 (or 723175 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 105345142253 its reverse (352241543501), we get a palindrome (457586685754).

The spelling of 105345142253 in words is "one hundred five billion, three hundred forty-five million, one hundred forty-two thousand, two hundred fifty-three".

Divisors: 1 13 169 863 11219 145847 722299 9389887 122068531 623344037 8103472481 105345142253