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113231321120 = 255707695757
BaseRepresentation
bin110100101110100011…
…1001101100000100000
3101211021021201002122002
41221131013031200200
53323344204233440
6124003500103132
711115656230511
oct1513507154040
9354237632562
10113231321120
1144026146535
1219b40b34aa8
13a8a6ab3b38
1456a2402a08
152e2ab31115
hex1a5d1cd820

113231321120 has 24 divisors (see below), whose sum is σ = 267508996524. Its totient is φ = 45292528384.

The previous prime is 113231321117. The next prime is 113231321143. The reversal of 113231321120 is 21123132311.

It is a happy number.

113231321120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 110253217936 + 2978103184 = 332044^2 + 54572^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 113231321092 and 113231321101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353847719 + ... + 353848038.

Almost surely, 2113231321120 is an apocalyptic number.

113231321120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113231321120 is an abundant number, since it is smaller than the sum of its proper divisors (154277675404).

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

113231321120 is an equidigital number, since it uses as much as digits as its factorization.

113231321120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707695772 (or 707695764 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 113231321120 its reverse (21123132311), we get a palindrome (134354453431).

The spelling of 113231321120 in words is "one hundred thirteen billion, two hundred thirty-one million, three hundred twenty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 707695757 1415391514 2830783028 3538478785 5661566056 7076957570 11323132112 14153915140 22646264224 28307830280 56615660560 113231321120