Base | Representation |
---|---|
bin | 111101001001111101… |
… | …0100000000010101000 |
3 | 110112222122200222211210 |
4 | 1322103322200002220 |
5 | 4122431113331344 |
6 | 140155450353120 |
7 | 12326331503610 |
oct | 1722372400250 |
9 | 415878628753 |
10 | 131330605224 |
11 | 50773780575 |
12 | 2155242b7a0 |
13 | c4cc7670c0 |
14 | 64dc0b5a40 |
15 | 3639a9bdb9 |
hex | 1e93ea00a8 |
131330605224 has 128 divisors (see below), whose sum is σ = 407179745280. Its totient is φ = 34372166400.
The previous prime is 131330605193. The next prime is 131330605279. The reversal of 131330605224 is 422506033131.
It is a junction number, because it is equal to n+sod(n) for n = 131330605191 and 131330605200.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56589 + ... + 515619.
It is an arithmetic number, because the mean of its divisors is an integer number (3181091760).
Almost surely, 2131330605224 is an apocalyptic number.
131330605224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131330605224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203589872640).
131330605224 is an abundant number, since it is smaller than the sum of its proper divisors (275849140056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131330605224 is a wasteful number, since it uses less digits than its factorization.
131330605224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 459191 (or 459187 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 30.
Adding to 131330605224 its reverse (422506033131), we get a palindrome (553836638355).
The spelling of 131330605224 in words is "one hundred thirty-one billion, three hundred thirty million, six hundred five thousand, two hundred twenty-four".
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