Search a number
-
+
105421401113 = 7174320602189
BaseRepresentation
bin110001000101110011…
…0101110110000011001
3101002002222222001110112
41202023212232300121
53211400334313423
6120232510254105
710421304060440
oct1421346566031
9332088861415
10105421401113
11407886a5a96
12185214b7335
139c30a639b2
145161097d57
152b20180a78
hex188b9aec19

105421401113 has 16 divisors (see below), whose sum is σ = 130535475840. Its totient is φ = 83068022016.

The previous prime is 105421401091. The next prime is 105421401139. The reversal of 105421401113 is 311104124501.

It is not a de Polignac number, because 105421401113 - 210 = 105421400089 is a prime.

It is a super-2 number, since 2×1054214011132 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105421401913) 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, 10295978 + ... + 10306211.

It is an arithmetic number, because the mean of its divisors is an integer number (8158467240).

Almost surely, 2105421401113 is an apocalyptic number.

It is an amenable number.

105421401113 is a deficient number, since it is larger than the sum of its proper divisors (25114074727).

105421401113 is a wasteful number, since it uses less digits than its factorization.

105421401113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20602256.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 105421401113 its reverse (311104124501), we get a palindrome (416525525614).

The spelling of 105421401113 in words is "one hundred five billion, four hundred twenty-one million, four hundred one thousand, one hundred thirteen".

Divisors: 1 7 17 43 119 301 731 5117 20602189 144215323 350237213 885894127 2451660491 6201258889 15060200159 105421401113