Search a number
-
+
113420103121 = 1315373567529
BaseRepresentation
bin110100110100001011…
…1010110110111010001
3101211202102221012212001
41221220113112313101
53324241021244441
6124034322234001
711123440653403
oct1515027266721
9354672835761
10113420103121
1144112767216
1219b941b5901
13a906c41070
1456bd504b73
152e3c4c1731
hex1a685d6dd1

113420103121 has 8 divisors (see below), whose sum is σ = 122152887080. Its totient is φ = 104688484992.

The previous prime is 113420103091. The next prime is 113420103127. The reversal of 113420103121 is 121301024311.

It can be written as a sum of positive squares in 4 ways, for example, as 4494361600 + 108925741521 = 67040^2 + 330039^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113420103121 - 25 = 113420103089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113420103127) 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, 83916 + ... + 483613.

It is an arithmetic number, because the mean of its divisors is an integer number (15269110885).

Almost surely, 2113420103121 is an apocalyptic number.

It is an amenable number.

113420103121 is a deficient number, since it is larger than the sum of its proper divisors (8732783959).

113420103121 is a wasteful number, since it uses less digits than its factorization.

113420103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582915.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 113420103121 its reverse (121301024311), we get a palindrome (234721127432).

The spelling of 113420103121 in words is "one hundred thirteen billion, four hundred twenty million, one hundred three thousand, one hundred twenty-one".

Divisors: 1 13 15373 199849 567529 7377877 8724623317 113420103121