Search a number
-
+
113311131430 = 2572231247207
BaseRepresentation
bin110100110000111011…
…1101010011100100110
3101211110211212212210111
41221201313222130212
53324030122201210
6124015430443234
711120645503600
oct1514167523446
9354424785714
10113311131430
11440671a8172
1219b6380351a
13a8ba4a8a83
1456acc5a170
152e32b4888a
hex1a61dea726

113311131430 has 24 divisors (see below), whose sum is σ = 237259635408. Its totient is φ = 38849530608.

The previous prime is 113311131403. The next prime is 113311131449. The reversal of 113311131430 is 34131113311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115623114 + ... + 115624093.

It is an arithmetic number, because the mean of its divisors is an integer number (9885818142).

Almost surely, 2113311131430 is an apocalyptic number.

113311131430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113311131430 is an abundant number, since it is smaller than the sum of its proper divisors (123948503978).

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

113311131430 is a wasteful number, since it uses less digits than its factorization.

113311131430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231247228 (or 231247221 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 113311131430 its reverse (34131113311), we get a palindrome (147442244741).

It can be divided in two parts, 11331 and 1131430, that added together give a square (1142761 = 10692).

The spelling of 113311131430 in words is "one hundred thirteen billion, three hundred eleven million, one hundred thirty-one thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 231247207 462494414 1156236035 1618730449 2312472070 3237460898 8093652245 11331113143 16187304490 22662226286 56655565715 113311131430