Base | Representation |
---|---|
bin | 111101000000001000… |
… | …1100110001100100110 |
3 | 110112010200201011211002 |
4 | 1322000101212030212 |
5 | 4121242241143210 |
6 | 140103040313302 |
7 | 12315221052143 |
oct | 1720021461446 |
9 | 415120634732 |
10 | 131001115430 |
11 | 50614794a59 |
12 | 21480012832 |
13 | c479412623 |
14 | 64aa4273ca |
15 | 361abb54a5 |
hex | 1e80466326 |
131001115430 has 32 divisors (see below), whose sum is σ = 238048826400. Its totient is φ = 51901331200.
The previous prime is 131001115379. The next prime is 131001115457. The reversal of 131001115430 is 34511100131.
It is a super-2 number, since 2×1310011154302 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11337296 + ... + 11348844.
It is an arithmetic number, because the mean of its divisors is an integer number (7439025825).
Almost surely, 2131001115430 is an apocalyptic number.
131001115430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131001115430 is a deficient number, since it is larger than the sum of its proper divisors (107047710970).
131001115430 is a wasteful number, since it uses less digits than its factorization.
131001115430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22264.
The product of its (nonzero) digits is 180, while the sum is 20.
Adding to 131001115430 its reverse (34511100131), we get a palindrome (165512215561).
The spelling of 131001115430 in words is "one hundred thirty-one billion, one million, one hundred fifteen thousand, four hundred thirty".
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